diff --git a/01-getting-started.html b/01-getting-started.html
index 5736c798..b48e1628 100644
--- a/01-getting-started.html
+++ b/01-getting-started.html
@@ -304,7 +304,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Introduction</h1>
-        <p>Last updated on 2023-05-09 |
+        <p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/01-getting-started.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -347,8 +347,8 @@ <h3 class="card-title">Objectives</h3>
 <hr class="half-width"><ul><li><p>Data is often very messy, and this tool saves a lot of time on
 cleaning headaches.</p></li>
 <li><p>Data cleaning steps often need repeating with multiple files. It
-is important to know what you did to your data. This makes it easy for
-you to repeat these steps again with similarly structured data.
+is important to know what you did to your data. This makes it possible
+for you to repeat these steps again with similarly structured data.
 OpenRefine is perfect for speeding up repetitive tasks by replaying
 previous actions on multiple datasets.</p></li>
 <li><p>Additionally, journals, granting agencies, and other institutions
@@ -356,11 +356,11 @@ <h3 class="card-title">Objectives</h3>
 data. With OpenRefine, you can capture all actions applied to your raw
 data and share them with your publication as supplemental
 material.</p></li>
-<li><p>Any operation that changes the data in OpenRefine can be easily
-reversed or undone.</p></li>
+<li><p>Any operation that changes the data in OpenRefine can be reversed
+or undone.</p></li>
 <li>
 <p>Some concepts such as clustering algorithms are quite complex,
-but OpenRefine makes it easy to introduce them, use them, and show their
+but with OpenRefine we can introduce them, use them, and show their
 power.</p>
 <blockquote>
 <p><strong>Note:</strong> You must export your modified dataset to a new
@@ -379,10 +379,10 @@ <h3 class="card-title">Objectives</h3>
 graphical interface. No internet connection is needed, and none of the
 data or commands you enter in OpenRefine are sent to a remote
 server.</li>
-<li>OpenRefine does not modify your original dataset. All actions are
-easily reversed in OpenRefine and you can capture all the actions
-applied to your data and share this documentation with your publication
-as supplemental material.</li>
+<li>OpenRefine does not modify your original dataset. All actions can be
+reversed in OpenRefine and you can capture all the actions applied to
+your data and share this documentation with your publication as
+supplemental material.</li>
 <li>OpenRefine saves as you go. You can return to the project at any
 time to pick up where you left off or export your data to a new
 file.</li>
@@ -489,8 +489,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/01-getting-started.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/01-getting-started.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/02-importing-data.html b/02-importing-data.html
index 5793539b..551ef616 100644
--- a/02-importing-data.html
+++ b/02-importing-data.html
@@ -302,7 +302,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Importing Data to OpenRefine</h1>
-        <p>Last updated on 2023-05-09 |
+        <p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/02-importing-data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -409,7 +409,7 @@ <h3 class="callout-title">OpenRefine does not modify your original
 <p>Once your data is imported into a project - OpenRefine leaves your
 raw data intact and works on a copy which it creates inside the newly
 created project. All the data transformation and cleaning steps you
-apply will be performed on this copy and you can easily undo any changes
+apply will be performed on this copy and you can undo any changes
 too.</p>
 </div>
 </div>
@@ -487,8 +487,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/02-importing-data.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/02-importing-data.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/03-exploring-data.html b/03-exploring-data.html
index 634f9ff0..99abfea3 100644
--- a/03-exploring-data.html
+++ b/03-exploring-data.html
@@ -409,7 +409,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>For the column <code>yr</code> do <code>Facet</code> &gt;
 <code>Text facet</code>. A box will appear in the left panel showing
@@ -476,7 +476,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Displaying a <code>Numeric facet</code> of <code>yr</code> shows a
 histogram of the number of entries per year. Notice that the data is
@@ -632,7 +632,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/03-exploring-data.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-09-22",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/04-transforming-data.html b/04-transforming-data.html
index 980be4da..ce414784 100644
--- a/04-transforming-data.html
+++ b/04-transforming-data.html
@@ -306,7 +306,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Transforming Data</h1>
-        <p>Last updated on 2023-09-23 |
+        <p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/04-transforming-data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -345,8 +345,8 @@ <h3 class="card-title">Objectives</h3>
 </div>
 <section id="data-splitting"><h2 class="section-heading">Data splitting<a class="anchor" aria-label="anchor" href="#data-splitting"></a>
 </h2>
-<hr class="half-width"><p>It is easy to split data from one column into multiple columns if the
-parts are separated by a common separator (say a comma, or a space).</p>
+<hr class="half-width"><p>We can split data from one column into multiple columns if the parts
+are separated by a common separator (say a comma, or a space).</p>
 <ol style="list-style-type: decimal"><li>Let us suppose we want to split the <code>scientificName</code>
 column into separate columns, one for genus and one for species.</li>
 <li>Click the down arrow next to the <code>scientificName</code> column.
@@ -407,7 +407,7 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <hr class="half-width"><p>It is common while exploring and cleaning a dataset to make a mistake
 or decide to change the order of the process you wish to conduct.
 OpenRefine provides <code>Undo</code> and <code>Redo</code> operations
-to make it easy to roll back your changes.</p>
+to roll back your changes.</p>
 <ol style="list-style-type: decimal"><li>Click <code>Undo / Redo</code> in the left side of the screen. All
 the changes you have made will appear in the left-hand panel. The
 current stage in the data processing is highlighted in blue (i.e. step
@@ -663,8 +663,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/04-transforming-data.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/04-transforming-data.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2023-09-23",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/05-filter-exclude-sort.html b/05-filter-exclude-sort.html
index 988e2941..2f5bf877 100644
--- a/05-filter-exclude-sort.html
+++ b/05-filter-exclude-sort.html
@@ -677,7 +677,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/05-filter-exclude-sort.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/06-reconciliation.html b/06-reconciliation.html
index a44fe1d7..782bdc4b 100644
--- a/06-reconciliation.html
+++ b/06-reconciliation.html
@@ -577,7 +577,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/06-reconciliation.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/07-looking-up-data.html b/07-looking-up-data.html
index d82a7976..b36438b2 100644
--- a/07-looking-up-data.html
+++ b/07-looking-up-data.html
@@ -490,7 +490,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/07-looking-up-data.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/08-exporting-cleaning-steps.html b/08-exporting-cleaning-steps.html
index b6789e09..c5fbb1b2 100644
--- a/08-exporting-cleaning-steps.html
+++ b/08-exporting-cleaning-steps.html
@@ -473,7 +473,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/08-exporting-cleaning-steps.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/09-exporting-data.html b/09-exporting-data.html
index 37e22f6f..935a279e 100644
--- a/09-exporting-data.html
+++ b/09-exporting-data.html
@@ -470,7 +470,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/09-exporting-data.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-09-23",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/10-resources.html b/10-resources.html
index 2b62794a..b962ba04 100644
--- a/10-resources.html
+++ b/10-resources.html
@@ -450,7 +450,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/10-resources.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index c5ae7bc4..0b612c49 100644
--- a/404.html
+++ b/404.html
@@ -358,8 +358,8 @@ <h1>Page not found</h1>
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/404.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/404.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 69cba0f1..7137c041 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -370,7 +370,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/CODE_OF_CONDUCT.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/CONTRIBUTORS.html b/CONTRIBUTORS.html
index 970b5bfd..79fc6dc8 100644
--- a/CONTRIBUTORS.html
+++ b/CONTRIBUTORS.html
@@ -416,7 +416,7 @@ <h3 id="spreadsheet-best-practices">Spreadsheet Best Practices<a class="anchor"
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/CONTRIBUTORS.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index d5db2f23..436420a9 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -421,7 +421,7 @@ <h1>Licenses</h1>
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/LICENSE.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/NEWS.html b/NEWS.html
index e0d555e0..2e838bb1 100644
--- a/NEWS.html
+++ b/NEWS.html
@@ -363,7 +363,7 @@ <h1></h1>
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/NEWS.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index baf2c646..ab4d0cbb 100644
--- a/aio.html
+++ b/aio.html
@@ -353,7 +353,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
         
 <section id="aio-01-getting-started"><p>Content from <a href="01-getting-started.html">Introduction</a></p>
 <hr>
-<p>Last updated on 2023-05-09 |
+<p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/01-getting-started.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -396,8 +396,8 @@ <h3 class="card-title">Objectives</h3>
 <li><p>Data is often very messy, and this tool saves a lot of time on
 cleaning headaches.</p></li>
 <li><p>Data cleaning steps often need repeating with multiple files. It
-is important to know what you did to your data. This makes it easy for
-you to repeat these steps again with similarly structured data.
+is important to know what you did to your data. This makes it possible
+for you to repeat these steps again with similarly structured data.
 OpenRefine is perfect for speeding up repetitive tasks by replaying
 previous actions on multiple datasets.</p></li>
 <li><p>Additionally, journals, granting agencies, and other institutions
@@ -405,11 +405,11 @@ <h3 class="card-title">Objectives</h3>
 data. With OpenRefine, you can capture all actions applied to your raw
 data and share them with your publication as supplemental
 material.</p></li>
-<li><p>Any operation that changes the data in OpenRefine can be easily
-reversed or undone.</p></li>
+<li><p>Any operation that changes the data in OpenRefine can be reversed
+or undone.</p></li>
 <li>
 <p>Some concepts such as clustering algorithms are quite complex,
-but OpenRefine makes it easy to introduce them, use them, and show their
+but with OpenRefine we can introduce them, use them, and show their
 power.</p>
 <blockquote>
 <p><strong>Note:</strong> You must export your modified dataset to a new
@@ -431,10 +431,10 @@ <h3 class="card-title">Objectives</h3>
 graphical interface. No internet connection is needed, and none of the
 data or commands you enter in OpenRefine are sent to a remote
 server.</li>
-<li>OpenRefine does not modify your original dataset. All actions are
-easily reversed in OpenRefine and you can capture all the actions
-applied to your data and share this documentation with your publication
-as supplemental material.</li>
+<li>OpenRefine does not modify your original dataset. All actions can be
+reversed in OpenRefine and you can capture all the actions applied to
+your data and share this documentation with your publication as
+supplemental material.</li>
 <li>OpenRefine saves as you go. You can return to the project at any
 time to pick up where you left off or export your data to a new
 file.</li>
@@ -495,7 +495,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div>
 </section></section><section id="aio-02-importing-data"><p>Content from <a href="02-importing-data.html">Importing Data to OpenRefine</a></p>
 <hr>
-<p>Last updated on 2023-05-09 |
+<p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/02-importing-data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -612,7 +612,7 @@ <h3 class="callout-title">OpenRefine does not modify your original
 <p>Once your data is imported into a project - OpenRefine leaves your
 raw data intact and works on a copy which it creates inside the newly
 created project. All the data transformation and cleaning steps you
-apply will be performed on this copy and you can easily undo any changes
+apply will be performed on this copy and you can undo any changes
 too.</p>
 </div>
 </div>
@@ -752,7 +752,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>For the column <code>yr</code> do <code>Facet</code> &gt;
@@ -827,7 +827,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Displaying a <code>Numeric facet</code> of <code>yr</code> shows a
 histogram of the number of entries per year. Notice that the data is
@@ -931,7 +931,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div>
 </section></section><section id="aio-04-transforming-data"><p>Content from <a href="04-transforming-data.html">Transforming Data</a></p>
 <hr>
-<p>Last updated on 2023-09-23 |
+<p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/04-transforming-data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -969,8 +969,8 @@ <h3 class="card-title">Objectives</h3>
 <section id="data-splitting"><h2 class="section-heading">Data splitting<a class="anchor" aria-label="anchor" href="#data-splitting"></a>
 </h2>
 <hr class="half-width">
-<p>It is easy to split data from one column into multiple columns if the
-parts are separated by a common separator (say a comma, or a space).</p>
+<p>We can split data from one column into multiple columns if the parts
+are separated by a common separator (say a comma, or a space).</p>
 <ol style="list-style-type: decimal">
 <li>Let us suppose we want to split the <code>scientificName</code>
 column into separate columns, one for genus and one for species.</li>
@@ -1034,7 +1034,7 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <p>It is common while exploring and cleaning a dataset to make a mistake
 or decide to change the order of the process you wish to conduct.
 OpenRefine provides <code>Undo</code> and <code>Redo</code> operations
-to make it easy to roll back your changes.</p>
+to roll back your changes.</p>
 <ol style="list-style-type: decimal">
 <li>Click <code>Undo / Redo</code> in the left side of the screen. All
 the changes you have made will appear in the left-hand panel. The
@@ -2388,8 +2388,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/aio.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/aio.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index 3f2a09fb..470a56ee 100644
--- a/discuss.html
+++ b/discuss.html
@@ -363,7 +363,7 @@ <h1>Discussion</h1>
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/discuss.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index 93c4cb1f..6e8c42d4 100644
--- a/images.html
+++ b/images.html
@@ -467,8 +467,8 @@ <h3 id="07-looking-up-data-figure-3">Figure 3</h3>
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/images.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/images.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index e1f5998e..2b654e60 100644
--- a/index.html
+++ b/index.html
@@ -492,8 +492,8 @@ <h2 id="web-browser">Web Browser<a class="anchor" aria-label="anchor" href="#web
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/index.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/index.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index 9d8b7ea6..cf5afed6 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -562,8 +562,8 @@ <h3 id="split-undo---redo">Split / Undo - Redo<a class="anchor" aria-label="anch
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor-notes.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor-notes.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/01-getting-started.html b/instructor/01-getting-started.html
index 75f9bd18..800d7b98 100644
--- a/instructor/01-getting-started.html
+++ b/instructor/01-getting-started.html
@@ -304,7 +304,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Introduction</h1>
-        <p>Last updated on 2023-05-09 |
+        <p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/01-getting-started.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -349,8 +349,8 @@ <h3 class="card-title">Objectives</h3>
 <hr class="half-width"><ul><li><p>Data is often very messy, and this tool saves a lot of time on
 cleaning headaches.</p></li>
 <li><p>Data cleaning steps often need repeating with multiple files. It
-is important to know what you did to your data. This makes it easy for
-you to repeat these steps again with similarly structured data.
+is important to know what you did to your data. This makes it possible
+for you to repeat these steps again with similarly structured data.
 OpenRefine is perfect for speeding up repetitive tasks by replaying
 previous actions on multiple datasets.</p></li>
 <li><p>Additionally, journals, granting agencies, and other institutions
@@ -358,11 +358,11 @@ <h3 class="card-title">Objectives</h3>
 data. With OpenRefine, you can capture all actions applied to your raw
 data and share them with your publication as supplemental
 material.</p></li>
-<li><p>Any operation that changes the data in OpenRefine can be easily
-reversed or undone.</p></li>
+<li><p>Any operation that changes the data in OpenRefine can be reversed
+or undone.</p></li>
 <li>
 <p>Some concepts such as clustering algorithms are quite complex,
-but OpenRefine makes it easy to introduce them, use them, and show their
+but with OpenRefine we can introduce them, use them, and show their
 power.</p>
 <blockquote>
 <p><strong>Note:</strong> You must export your modified dataset to a new
@@ -381,10 +381,10 @@ <h3 class="card-title">Objectives</h3>
 graphical interface. No internet connection is needed, and none of the
 data or commands you enter in OpenRefine are sent to a remote
 server.</li>
-<li>OpenRefine does not modify your original dataset. All actions are
-easily reversed in OpenRefine and you can capture all the actions
-applied to your data and share this documentation with your publication
-as supplemental material.</li>
+<li>OpenRefine does not modify your original dataset. All actions can be
+reversed in OpenRefine and you can capture all the actions applied to
+your data and share this documentation with your publication as
+supplemental material.</li>
 <li>OpenRefine saves as you go. You can return to the project at any
 time to pick up where you left off or export your data to a new
 file.</li>
@@ -491,8 +491,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/01-getting-started.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/01-getting-started.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/02-importing-data.html b/instructor/02-importing-data.html
index 8b310a8f..3896f198 100644
--- a/instructor/02-importing-data.html
+++ b/instructor/02-importing-data.html
@@ -302,7 +302,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Importing Data to OpenRefine</h1>
-        <p>Last updated on 2023-05-09 |
+        <p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/02-importing-data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -411,7 +411,7 @@ <h3 class="callout-title">OpenRefine does not modify your original
 <p>Once your data is imported into a project - OpenRefine leaves your
 raw data intact and works on a copy which it creates inside the newly
 created project. All the data transformation and cleaning steps you
-apply will be performed on this copy and you can easily undo any changes
+apply will be performed on this copy and you can undo any changes
 too.</p>
 </div>
 </div>
@@ -489,8 +489,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/02-importing-data.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/02-importing-data.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/03-exploring-data.html b/instructor/03-exploring-data.html
index 7222940f..8104f6cc 100644
--- a/instructor/03-exploring-data.html
+++ b/instructor/03-exploring-data.html
@@ -411,7 +411,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>For the column <code>yr</code> do <code>Facet</code> &gt;
 <code>Text facet</code>. A box will appear in the left panel showing
@@ -478,7 +478,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Displaying a <code>Numeric facet</code> of <code>yr</code> shows a
 histogram of the number of entries per year. Notice that the data is
@@ -634,7 +634,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/03-exploring-data.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-09-22",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/04-transforming-data.html b/instructor/04-transforming-data.html
index c0a9b9fe..cb826782 100644
--- a/instructor/04-transforming-data.html
+++ b/instructor/04-transforming-data.html
@@ -306,7 +306,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Transforming Data</h1>
-        <p>Last updated on 2023-09-23 |
+        <p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/04-transforming-data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -347,8 +347,8 @@ <h3 class="card-title">Objectives</h3>
 </div>
 <section id="data-splitting"><h2 class="section-heading">Data splitting<a class="anchor" aria-label="anchor" href="#data-splitting"></a>
 </h2>
-<hr class="half-width"><p>It is easy to split data from one column into multiple columns if the
-parts are separated by a common separator (say a comma, or a space).</p>
+<hr class="half-width"><p>We can split data from one column into multiple columns if the parts
+are separated by a common separator (say a comma, or a space).</p>
 <ol style="list-style-type: decimal"><li>Let us suppose we want to split the <code>scientificName</code>
 column into separate columns, one for genus and one for species.</li>
 <li>Click the down arrow next to the <code>scientificName</code> column.
@@ -409,7 +409,7 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <hr class="half-width"><p>It is common while exploring and cleaning a dataset to make a mistake
 or decide to change the order of the process you wish to conduct.
 OpenRefine provides <code>Undo</code> and <code>Redo</code> operations
-to make it easy to roll back your changes.</p>
+to roll back your changes.</p>
 <ol style="list-style-type: decimal"><li>Click <code>Undo / Redo</code> in the left side of the screen. All
 the changes you have made will appear in the left-hand panel. The
 current stage in the data processing is highlighted in blue (i.e. step
@@ -665,8 +665,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/04-transforming-data.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/04-transforming-data.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2023-09-23",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/05-filter-exclude-sort.html b/instructor/05-filter-exclude-sort.html
index 4a514a3c..d35aa631 100644
--- a/instructor/05-filter-exclude-sort.html
+++ b/instructor/05-filter-exclude-sort.html
@@ -679,7 +679,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/05-filter-exclude-sort.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/06-reconciliation.html b/instructor/06-reconciliation.html
index faef8c70..a2f3ab36 100644
--- a/instructor/06-reconciliation.html
+++ b/instructor/06-reconciliation.html
@@ -579,7 +579,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/06-reconciliation.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/07-looking-up-data.html b/instructor/07-looking-up-data.html
index 736b4b01..ab18bcb6 100644
--- a/instructor/07-looking-up-data.html
+++ b/instructor/07-looking-up-data.html
@@ -492,7 +492,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/07-looking-up-data.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/08-exporting-cleaning-steps.html b/instructor/08-exporting-cleaning-steps.html
index c106a4e5..8c7e58a7 100644
--- a/instructor/08-exporting-cleaning-steps.html
+++ b/instructor/08-exporting-cleaning-steps.html
@@ -475,7 +475,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/08-exporting-cleaning-steps.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/09-exporting-data.html b/instructor/09-exporting-data.html
index ed61029d..1a3d1031 100644
--- a/instructor/09-exporting-data.html
+++ b/instructor/09-exporting-data.html
@@ -472,7 +472,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/09-exporting-data.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-09-23",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/10-resources.html b/instructor/10-resources.html
index 96086c9f..4e222311 100644
--- a/instructor/10-resources.html
+++ b/instructor/10-resources.html
@@ -452,7 +452,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/10-resources.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index 0a2e8c55..585b3b1e 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -358,8 +358,8 @@ <h1>Page not found</h1>
   "url": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/404.html",
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/404.html",
   "dateCreated": "2015-04-04",
-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
+  "dateModified": "2024-05-02",
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index cb221d0c..4765f53b 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -372,7 +372,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/CODE_OF_CONDUCT.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/CONTRIBUTORS.html b/instructor/CONTRIBUTORS.html
index 8e1320b1..0e9da363 100644
--- a/instructor/CONTRIBUTORS.html
+++ b/instructor/CONTRIBUTORS.html
@@ -418,7 +418,7 @@ <h3 id="spreadsheet-best-practices">Spreadsheet Best Practices<a class="anchor"
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/CONTRIBUTORS.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 03439beb..c6cc1c3e 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -423,7 +423,7 @@ <h1>Licenses</h1>
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/LICENSE.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/NEWS.html b/instructor/NEWS.html
index fb9ba079..5cd47721 100644
--- a/instructor/NEWS.html
+++ b/instructor/NEWS.html
@@ -365,7 +365,7 @@ <h1></h1>
   "identifier": "https://datacarpentry.github.io/OpenRefine-ecology-lesson/instructor/NEWS.html",
   "dateCreated": "2015-04-04",
   "dateModified": "2023-05-09",
-  "datePublished": "2024-04-30"
+  "datePublished": "2024-05-02"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index 10ad52c2..a06434fe 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -355,7 +355,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
         
 <section id="aio-01-getting-started"><p>Content from <a href="01-getting-started.html">Introduction</a></p>
 <hr>
-<p>Last updated on 2023-05-09 |
+<p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/01-getting-started.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 10 minutes</p>
@@ -399,8 +399,8 @@ <h3 class="card-title">Objectives</h3>
 <li><p>Data is often very messy, and this tool saves a lot of time on
 cleaning headaches.</p></li>
 <li><p>Data cleaning steps often need repeating with multiple files. It
-is important to know what you did to your data. This makes it easy for
-you to repeat these steps again with similarly structured data.
+is important to know what you did to your data. This makes it possible
+for you to repeat these steps again with similarly structured data.
 OpenRefine is perfect for speeding up repetitive tasks by replaying
 previous actions on multiple datasets.</p></li>
 <li><p>Additionally, journals, granting agencies, and other institutions
@@ -408,11 +408,11 @@ <h3 class="card-title">Objectives</h3>
 data. With OpenRefine, you can capture all actions applied to your raw
 data and share them with your publication as supplemental
 material.</p></li>
-<li><p>Any operation that changes the data in OpenRefine can be easily
-reversed or undone.</p></li>
+<li><p>Any operation that changes the data in OpenRefine can be reversed
+or undone.</p></li>
 <li>
 <p>Some concepts such as clustering algorithms are quite complex,
-but OpenRefine makes it easy to introduce them, use them, and show their
+but with OpenRefine we can introduce them, use them, and show their
 power.</p>
 <blockquote>
 <p><strong>Note:</strong> You must export your modified dataset to a new
@@ -434,10 +434,10 @@ <h3 class="card-title">Objectives</h3>
 graphical interface. No internet connection is needed, and none of the
 data or commands you enter in OpenRefine are sent to a remote
 server.</li>
-<li>OpenRefine does not modify your original dataset. All actions are
-easily reversed in OpenRefine and you can capture all the actions
-applied to your data and share this documentation with your publication
-as supplemental material.</li>
+<li>OpenRefine does not modify your original dataset. All actions can be
+reversed in OpenRefine and you can capture all the actions applied to
+your data and share this documentation with your publication as
+supplemental material.</li>
 <li>OpenRefine saves as you go. You can return to the project at any
 time to pick up where you left off or export your data to a new
 file.</li>
@@ -498,7 +498,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div>
 </section></section><section id="aio-02-importing-data"><p>Content from <a href="02-importing-data.html">Importing Data to OpenRefine</a></p>
 <hr>
-<p>Last updated on 2023-05-09 |
+<p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/02-importing-data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 10 minutes</p>
@@ -616,7 +616,7 @@ <h3 class="callout-title">OpenRefine does not modify your original
 <p>Once your data is imported into a project - OpenRefine leaves your
 raw data intact and works on a copy which it creates inside the newly
 created project. All the data transformation and cleaning steps you
-apply will be performed on this copy and you can easily undo any changes
+apply will be performed on this copy and you can undo any changes
 too.</p>
 </div>
 </div>
@@ -757,7 +757,7 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>For the column <code>yr</code> do <code>Facet</code> &gt;
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 <div class="accordion-body">
 <p>Displaying a <code>Numeric facet</code> of <code>yr</code> shows a
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@@ -936,7 +936,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div>
 </section></section><section id="aio-04-transforming-data"><p>Content from <a href="04-transforming-data.html">Transforming Data</a></p>
 <hr>
-<p>Last updated on 2023-09-23 |
+<p>Last updated on 2024-05-02 |
         
         <a href="https://github.com/datacarpentry/OpenRefine-ecology-lesson/edit/main/episodes/04-transforming-data.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 35 minutes</p>
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 </h2>
 <hr class="half-width">
-<p>It is easy to split data from one column into multiple columns if the
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+<p>We can split data from one column into multiple columns if the parts
+are separated by a common separator (say a comma, or a space).</p>
 <ol style="list-style-type: decimal">
 <li>Let us suppose we want to split the <code>scientificName</code>
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 OpenRefine provides <code>Undo</code> and <code>Redo</code> operations
-to make it easy to roll back your changes.</p>
+to roll back your changes.</p>
 <ol style="list-style-type: decimal">
 <li>Click <code>Undo / Redo</code> in the left side of the screen. All
 the changes you have made will appear in the left-hand panel. The
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index 6134cdca..a4809944 100644
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-  "dateModified": "2024-04-30",
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 }
 
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index 3ab7a25c..4e34a119 100644
--- a/instructor/index.html
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-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
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index e2fa0194..abf4b2f2 100644
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-  "dateModified": "2024-04-30",
-  "datePublished": "2024-04-30"
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index 83bea183..30e02ca7 100644
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 "episodes/03-exploring-data.md" "4178a8c694406dfca2873051b35fd92b" "site/built/03-exploring-data.md" "2023-09-22"
-"episodes/04-transforming-data.md" "409bb762303c83d4c8895ae48ae7b33c" "site/built/04-transforming-data.md" "2023-09-23"
+"episodes/04-transforming-data.md" "c56177dd5efa4c957bc89ac8efa64b5b" "site/built/04-transforming-data.md" "2024-05-02"
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diff --git a/pkgdown.yml b/pkgdown.yml
index c6f9ac05..3e6781ca 100644
--- a/pkgdown.yml
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index a4617133..a8dce1fa 100644
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-  "dateModified": "2024-04-30",
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diff --git a/reference.html b/reference.html
index 0ce8dd5c..9214c207 100644
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