diff --git a/01-introduction.html b/01-introduction.html
index 003678c6..bf51d230 100644
--- a/01-introduction.html
+++ b/01-introduction.html
@@ -577,7 +577,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -776,7 +776,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/01-introduction.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-08-15",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/02-the-filesystem.html b/02-the-filesystem.html
index 3a3ae7f1..991b2569 100644
--- a/02-the-filesystem.html
+++ b/02-the-filesystem.html
@@ -750,7 +750,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/02-the-filesystem.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/03-working-with-files.html b/03-working-with-files.html
index 03e293f5..efa8e712 100644
--- a/03-working-with-files.html
+++ b/03-working-with-files.html
@@ -1116,7 +1116,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/03-working-with-files.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/04-redirection.html b/04-redirection.html
index bc6109b2..cad65e4d 100644
--- a/04-redirection.html
+++ b/04-redirection.html
@@ -418,7 +418,7 @@ <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><code>grep -B1 GNATNACCACTTCC SRR098026.fastq</code></li>
 </ol><pre><code>@SRR098026.245 HWUSI-EAS1599_1:2:1:2:801 length=35
@@ -546,7 +546,7 @@ <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">
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -584,7 +584,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1016,7 +1016,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb44">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1063,7 +1063,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb46">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1168,7 +1168,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/04-redirection.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/05-writing-scripts.html b/05-writing-scripts.html
index d07c32fa..012e9fc4 100644
--- a/05-writing-scripts.html
+++ b/05-writing-scripts.html
@@ -434,7 +434,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Use <code>nano README.txt</code> to open the file.<br>
 Add today’s date and then use <kbd>Ctrl</kbd>-<kbd>X</kbd> followed by
@@ -526,7 +526,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <pre><code>$ bash bad-reads-script.sh
 Script finished!</code></pre>
@@ -886,7 +886,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/05-writing-scripts.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/06-organization.html b/06-organization.html
index 010c1ecc..4483e532 100644
--- a/06-organization.html
+++ b/06-organization.html
@@ -722,7 +722,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/06-organization.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 4d8918c5..11453589 100644
--- a/404.html
+++ b/404.html
@@ -293,8 +293,8 @@ <h1>Page not found</h1>
   "url": "https://datacarpentry.github.io/shell-genomics/404.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/404.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 762caef5..dd3c6744 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -329,7 +329,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://datacarpentry.github.io/shell-genomics/CODE_OF_CONDUCT.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/Extra_lesson.html b/Extra_lesson.html
index 3333702b..2a80cab6 100644
--- a/Extra_lesson.html
+++ b/Extra_lesson.html
@@ -377,7 +377,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -472,7 +472,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>There are two different sample load dates.</li>
 </ol><div class="codewrapper sourceCode" id="cb18">
@@ -566,7 +566,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb26">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -716,7 +716,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://datacarpentry.github.io/shell-genomics/Extra_lesson.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index f421974e..d351b8f5 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -380,7 +380,7 @@ <h1>Licenses</h1>
   "identifier": "https://datacarpentry.github.io/shell-genomics/LICENSE.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index f5f76870..ba089df6 100644
--- a/aio.html
+++ b/aio.html
@@ -619,7 +619,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2220,7 +2220,7 @@ <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><code>grep -B1 GNATNACCACTTCC SRR098026.fastq</code></li>
@@ -2353,7 +2353,7 @@ <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">
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2391,7 +2391,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2827,7 +2827,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb44">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2874,7 +2874,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb46">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3095,7 +3095,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Use <code>nano README.txt</code> to open the file.<br>
 Add today’s date and then use <kbd>Ctrl</kbd>-<kbd>X</kbd> followed by
@@ -3190,7 +3190,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <pre><code>$ bash bad-reads-script.sh
 Script finished!</code></pre>
@@ -3990,8 +3990,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "url": "https://datacarpentry.github.io/shell-genomics/aio.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/aio.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index a809234e..a1f34dcf 100644
--- a/discuss.html
+++ b/discuss.html
@@ -322,7 +322,7 @@ <h1>Discussion</h1>
   "identifier": "https://datacarpentry.github.io/shell-genomics/discuss.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index 1b410ef6..b8256b88 100644
--- a/images.html
+++ b/images.html
@@ -363,8 +363,8 @@ <h3 id="05-writing-scripts-figure-1">Figure 1</h3>
   "url": "https://datacarpentry.github.io/shell-genomics/images.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/images.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index af4f3c09..1667f288 100644
--- a/index.html
+++ b/index.html
@@ -357,8 +357,8 @@ <h3 class="callout-title">For Instructors<a class="anchor" aria-label="anchor" h
   "url": "https://datacarpentry.github.io/shell-genomics/index.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/index.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index 7fa7ba23..fee20134 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -433,8 +433,8 @@ <h4 id="command-prompt-editing">Command Prompt Editing<a class="anchor" aria-lab
   "url": "https://datacarpentry.github.io/shell-genomics/instructor-notes.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor-notes.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/01-introduction.html b/instructor/01-introduction.html
index 9d16b3c9..0417d284 100644
--- a/instructor/01-introduction.html
+++ b/instructor/01-introduction.html
@@ -579,7 +579,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -778,7 +778,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/01-introduction.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-08-15",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/02-the-filesystem.html b/instructor/02-the-filesystem.html
index 088d0a89..93b1700b 100644
--- a/instructor/02-the-filesystem.html
+++ b/instructor/02-the-filesystem.html
@@ -752,7 +752,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/02-the-filesystem.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/03-working-with-files.html b/instructor/03-working-with-files.html
index 3e636914..36ec2c50 100644
--- a/instructor/03-working-with-files.html
+++ b/instructor/03-working-with-files.html
@@ -1118,7 +1118,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/03-working-with-files.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/04-redirection.html b/instructor/04-redirection.html
index 96be075a..2cb745d4 100644
--- a/instructor/04-redirection.html
+++ b/instructor/04-redirection.html
@@ -420,7 +420,7 @@ <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><code>grep -B1 GNATNACCACTTCC SRR098026.fastq</code></li>
 </ol><pre><code>@SRR098026.245 HWUSI-EAS1599_1:2:1:2:801 length=35
@@ -548,7 +548,7 @@ <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">
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -586,7 +586,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1018,7 +1018,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb44">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1065,7 +1065,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb46">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1170,7 +1170,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/04-redirection.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/05-writing-scripts.html b/instructor/05-writing-scripts.html
index 802a3f43..5cce8d7f 100644
--- a/instructor/05-writing-scripts.html
+++ b/instructor/05-writing-scripts.html
@@ -436,7 +436,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Use <code>nano README.txt</code> to open the file.<br>
 Add today’s date and then use <kbd>Ctrl</kbd>-<kbd>X</kbd> followed by
@@ -528,7 +528,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <pre><code>$ bash bad-reads-script.sh
 Script finished!</code></pre>
@@ -888,7 +888,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/05-writing-scripts.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/06-organization.html b/instructor/06-organization.html
index 83d8ee66..d41cff3b 100644
--- a/instructor/06-organization.html
+++ b/instructor/06-organization.html
@@ -724,7 +724,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/06-organization.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index bc6166b3..b7d3dacf 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -293,8 +293,8 @@ <h1>Page not found</h1>
   "url": "https://datacarpentry.github.io/shell-genomics/instructor/404.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/404.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index fabee9ff..cc3284c5 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -331,7 +331,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/CODE_OF_CONDUCT.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/Extra_lesson.html b/instructor/Extra_lesson.html
index 232765cc..9dd8fc1f 100644
--- a/instructor/Extra_lesson.html
+++ b/instructor/Extra_lesson.html
@@ -379,7 +379,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -474,7 +474,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>There are two different sample load dates.</li>
 </ol><div class="codewrapper sourceCode" id="cb18">
@@ -568,7 +568,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb26">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -718,7 +718,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/Extra_lesson.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 3d990d12..80a505a7 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -382,7 +382,7 @@ <h1>Licenses</h1>
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/LICENSE.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index 0924fe63..251ad239 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -618,7 +618,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2222,7 +2222,7 @@ <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><code>grep -B1 GNATNACCACTTCC SRR098026.fastq</code></li>
@@ -2355,7 +2355,7 @@ <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">
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2393,7 +2393,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2829,7 +2829,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb44">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2876,7 +2876,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb46">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3098,7 +3098,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>Use <code>nano README.txt</code> to open the file.<br>
 Add today’s date and then use <kbd>Ctrl</kbd>-<kbd>X</kbd> followed by
@@ -3193,7 +3193,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <pre><code>$ bash bad-reads-script.sh
 Script finished!</code></pre>
@@ -3994,8 +3994,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "url": "https://datacarpentry.github.io/shell-genomics/instructor/aio.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/aio.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index bc4c5dfd..d3d56f87 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -324,7 +324,7 @@ <h1>Discussion</h1>
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/discuss.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index b34339bc..88cdfd63 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -361,8 +361,8 @@ <h3 id="05-writing-scripts-figure-1">Figure 1</h3>
   "url": "https://datacarpentry.github.io/shell-genomics/instructor/images.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/images.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 51caf087..35cb1ec3 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -435,8 +435,8 @@ <h3 class="callout-title">For Instructors<a class="anchor" aria-label="anchor" h
   "url": "https://datacarpentry.github.io/shell-genomics/instructor/index.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/index.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index f938722d..9d19198b 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -437,8 +437,8 @@ <h4 id="command-prompt-editing">Command Prompt Editing<a class="anchor" aria-lab
   "url": "https://datacarpentry.github.io/shell-genomics/instructor/instructor-notes.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/instructor-notes.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 063c9e15..8ea5d9bb 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -413,8 +413,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://datacarpentry.github.io/shell-genomics/instructor/key-points.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/key-points.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 3e28515e..29d04e66 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -280,8 +280,8 @@ <h1>Learner Profiles</h1>
   "url": "https://datacarpentry.github.io/shell-genomics/instructor/profiles.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/profiles.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index beb327ce..bd28eb82 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -601,7 +601,7 @@ <h3 id="high-throughput-sequencing">High-throughput sequencing<a class="anchor"
   "identifier": "https://datacarpentry.github.io/shell-genomics/instructor/reference.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index 2fed9566..113240fc 100644
--- a/key-points.html
+++ b/key-points.html
@@ -415,8 +415,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://datacarpentry.github.io/shell-genomics/key-points.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/key-points.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 79a7cbbb..b858c1db 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 2.19.2
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2023-09-13T18:54Z
+last_built: 2023-09-19T00:11Z
 
diff --git a/profiles.html b/profiles.html
index 3953a084..83178988 100644
--- a/profiles.html
+++ b/profiles.html
@@ -280,8 +280,8 @@ <h1>Learner Profiles</h1>
   "url": "https://datacarpentry.github.io/shell-genomics/profiles.html",
   "identifier": "https://datacarpentry.github.io/shell-genomics/profiles.html",
   "dateCreated": "2015-03-24",
-  "dateModified": "2023-09-13",
-  "datePublished": "2023-09-13"
+  "dateModified": "2023-09-19",
+  "datePublished": "2023-09-19"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 80095e0d..68ae94a2 100644
--- a/reference.html
+++ b/reference.html
@@ -599,7 +599,7 @@ <h3 id="high-throughput-sequencing">High-throughput sequencing<a class="anchor"
   "identifier": "https://datacarpentry.github.io/shell-genomics/reference.html",
   "dateCreated": "2015-03-24",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-09-13"
+  "datePublished": "2023-09-19"
 }
 
   </script><script>