diff --git a/01-intro.html b/01-intro.html
index 94c7ffe..23e883e 100644
--- a/01-intro.html
+++ b/01-intro.html
@@ -221,6 +221,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
 <li><a href="#terraform">Terraform</a></li>
 <li><a href="#kubernetes">Kubernetes</a></li>
 <li><a href="#argo-workflows">Argo Workflows</a></li>
+<li><a href="#ready-to-go">Ready to go?</a></li>
         </ul></div><!--/div.accordion-body-->
     </div><!--/div.accordion-collapse-->
 
@@ -321,7 +322,7 @@ <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 2024-10-19 |
+        <p>Last updated on 2024-10-21 |
 
         <a href="https://github.com/cms-opendata-workshop/tutorial-lesson-cloud-processing-gcp/edit/main/episodes/01-intro.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 
@@ -375,12 +376,11 @@ <h3 class="callout-title">Callout</h3>
 </div>
 </div>
 </div>
-<p>This is an option for you if you do not have enough computing
-resources and want to run some heavy processing. In this tutorial, we
-use as an <a href="https://opendata.cern.ch/record/12504" class="external-link">example
-processing</a> of CMS open data MiniAOD to a “custom” NanoAOD, including
-more information than the standard NanoAOD but still in the same flat
-file format.</p>
+<p>Using public cloud resources is an option for you if you do not have
+enough computing resources and want to run some heavy processing. In
+this tutorial, we use as an <a href="https://opendata.cern.ch/record/12504" class="external-link">example processing</a> of
+CMS open data MiniAOD to a “custom” NanoAOD, including more information
+than the standard NanoAOD but still in the same flat file format.</p>
 <p>We assume that you would want to download the output files to your
 local area and analyse them with your own resources. Note that analysis
 using GCP resources with your files stored on GCP is also possible, but
@@ -388,9 +388,9 @@ <h3 class="callout-title">Callout</h3>
 </section><section><h2 class="section-heading" id="google-cloud-platform">Google Cloud Platform<a class="anchor" aria-label="anchor" href="#google-cloud-platform"></a></h2>
 <hr class="half-width"><p>Public cloud providers are companies that offers computing resources
 and services over the internet to multiple users or organizations.
-Google Cloud Platform (GCP) is one of them. You define the resources
-that you need and pay for what you use. As many other such resource
-providers (for example AWS, Azure, OHV), it offers some free
+Google Cloud Platform (GCP) is one of them. You define and deploy the
+resources that you need and pay for what you use. As many other such
+resource providers (for example AWS, Azure, OHV), it offers some free
 getting-started “credits”.</p>
 <div id="callout2" class="callout">
 <div class="callout-square">
@@ -399,6 +399,9 @@ <h3 class="callout-title">Callout</h3>
 <div class="callout-inner">
 <h3 class="callout-title">Callout</h3>
 <div class="callout-content">
+<p>GCP offers <a href="https://cloud.google.com/free/docs/free-cloud-features#free-trial" class="external-link">free
+trial</a> credits for $300 for a new account. This credit is valid for
+90 days.</p>
 <p>This tutorial was set up using <a href="https://cloud.google.com/edu/researchers" class="external-link">Google Cloud Research
 credits</a>. You can apply for similar credits for your research
 projects. Take note that the credit has to be used within 12 months.</p>
@@ -434,12 +437,13 @@ <h3 class="callout-title">Callout</h3>
 <p>In this tutorial, the Argo Workflows services are set up using a
 <code>kubectl</code> command. We use <code>argo</code>, the command-line
 tool, to submit and manage the workflows.</p>
-<div id="ready-to-go" class="callout checklist">
+</section><section><h2 class="section-heading" id="ready-to-go">Ready to go?<a class="anchor" aria-label="anchor" href="#ready-to-go"></a></h2>
+<hr class="half-width"><div id="checklist1" class="callout checklist">
 <div class="callout-square">
 <i class="callout-icon" data-feather="check-square"></i>
 </div>
-<div id="ready-to-go" class="callout-inner">
-<h3 class="callout-title">Ready to go?</h3>
+<div class="callout-inner">
+<h3 class="callout-title">Checklist</h3>
 <div class="callout-content">
 <p>Check the instructions in <a href="index.html#software-setup">Software setup</a></p>
 <ul class="task-list"><li><label><input type="checkbox">a GCP account and a GCP
@@ -560,8 +564,8 @@ <h3 class="callout-title">Key Points</h3>
   "url": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/01-intro.html",
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/01-intro.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-19",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/02-storage.html b/02-storage.html
index 3b8b512..d95be30 100644
--- a/02-storage.html
+++ b/02-storage.html
@@ -394,7 +394,7 @@ <h3 class="accordion-header" id="headingSpoiler1">
   How to change them?
   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>If they are not what you expect (in case you have many), change them
 with</p>
@@ -450,7 +450,7 @@ <h3 class="accordion-header" id="headingSpoiler2">
   How to link a project to your billing account?
   </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>First list the billing accounts</p>
 <div class="codewrapper sourceCode" id="cb7">
@@ -621,7 +621,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/02-storage.html",
   "dateCreated": "2024-10-10",
   "dateModified": "2024-10-16",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/03-disk-image.html b/03-disk-image.html
index 9bb0095..16b99b8 100644
--- a/03-disk-image.html
+++ b/03-disk-image.html
@@ -488,7 +488,7 @@ <h3 class="accordion-header" id="headingSpoiler1">
   Error: Quota exceeded?
   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Failure with errors of type</p>
 <pre><code>Code: QUOTA_EXCEEDED
@@ -611,7 +611,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/03-disk-image.html",
   "dateCreated": "2024-10-10",
   "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/04-cluster.html b/04-cluster.html
index 7fcb149..f537536 100644
--- a/04-cluster.html
+++ b/04-cluster.html
@@ -550,7 +550,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/04-cluster.html",
   "dateCreated": "2024-10-10",
   "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/05-workflow.html b/05-workflow.html
index a6850ce..a5092e0 100644
--- a/05-workflow.html
+++ b/05-workflow.html
@@ -575,7 +575,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/05-workflow.html",
   "dateCreated": "2024-10-10",
   "dateModified": "2024-10-19",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 5ff5397..3f36df1 100644
--- a/404.html
+++ b/404.html
@@ -365,8 +365,8 @@ <h1>Page not found</h1>
   "url": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/404.html",
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/404.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index fd7c1e9..fdbfdb3 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -392,7 +392,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/CODE_OF_CONDUCT.html",
   "dateCreated": "2024-10-10",
   "dateModified": "2024-06-19",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 57aff8e..5b0b3f8 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -473,7 +473,7 @@ <h1>Licenses</h1>
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/LICENSE.html",
   "dateCreated": "2024-10-10",
   "dateModified": "2024-06-19",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 49ff6f6..1f1b32a 100644
--- a/aio.html
+++ b/aio.html
@@ -356,7 +356,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
         
 <section id="aio-01-intro"><p>Content from <a href="01-intro.html">Introduction</a></p>
 <hr>
-<p>Last updated on 2024-10-19 |
+<p>Last updated on 2024-10-21 |
 
         <a href="https://github.com/cms-opendata-workshop/tutorial-lesson-cloud-processing-gcp/edit/main/episodes/01-intro.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -410,12 +410,11 @@ <h3 class="callout-title">Callout</h3>
 </div>
 </div>
 </div>
-<p>This is an option for you if you do not have enough computing
-resources and want to run some heavy processing. In this tutorial, we
-use as an <a href="https://opendata.cern.ch/record/12504" class="external-link">example
-processing</a> of CMS open data MiniAOD to a “custom” NanoAOD, including
-more information than the standard NanoAOD but still in the same flat
-file format.</p>
+<p>Using public cloud resources is an option for you if you do not have
+enough computing resources and want to run some heavy processing. In
+this tutorial, we use as an <a href="https://opendata.cern.ch/record/12504" class="external-link">example processing</a> of
+CMS open data MiniAOD to a “custom” NanoAOD, including more information
+than the standard NanoAOD but still in the same flat file format.</p>
 <p>We assume that you would want to download the output files to your
 local area and analyse them with your own resources. Note that analysis
 using GCP resources with your files stored on GCP is also possible, but
@@ -425,9 +424,9 @@ <h3 class="callout-title">Callout</h3>
 <hr class="half-width">
 <p>Public cloud providers are companies that offers computing resources
 and services over the internet to multiple users or organizations.
-Google Cloud Platform (GCP) is one of them. You define the resources
-that you need and pay for what you use. As many other such resource
-providers (for example AWS, Azure, OHV), it offers some free
+Google Cloud Platform (GCP) is one of them. You define and deploy the
+resources that you need and pay for what you use. As many other such
+resource providers (for example AWS, Azure, OHV), it offers some free
 getting-started “credits”.</p>
 <div id="callout2" class="callout">
 <div class="callout-square">
@@ -436,6 +435,9 @@ <h3 class="callout-title">Callout</h3>
 <div class="callout-inner">
 <h3 class="callout-title">Callout</h3>
 <div class="callout-content">
+<p>GCP offers <a href="https://cloud.google.com/free/docs/free-cloud-features#free-trial" class="external-link">free
+trial</a> credits for $300 for a new account. This credit is valid for
+90 days.</p>
 <p>This tutorial was set up using <a href="https://cloud.google.com/edu/researchers" class="external-link">Google Cloud Research
 credits</a>. You can apply for similar credits for your research
 projects. Take note that the credit has to be used within 12 months.</p>
@@ -477,12 +479,15 @@ <h3 class="callout-title">Callout</h3>
 <p>In this tutorial, the Argo Workflows services are set up using a
 <code>kubectl</code> command. We use <code>argo</code>, the command-line
 tool, to submit and manage the workflows.</p>
-<div id="ready-to-go" class="callout checklist">
+</section><section><h2 class="section-heading" id="ready-to-go">Ready to go?<a class="anchor" aria-label="anchor" href="#ready-to-go"></a>
+</h2>
+<hr class="half-width">
+<div id="checklist1" class="callout checklist">
 <div class="callout-square">
 <i class="callout-icon" data-feather="check-square"></i>
 </div>
-<div id="ready-to-go" class="callout-inner">
-<h3 class="callout-title">Ready to go?</h3>
+<div class="callout-inner">
+<h3 class="callout-title">Checklist</h3>
 <div class="callout-content">
 <p>Check the instructions in <a href="index.html#software-setup">Software setup</a></p>
 <ul class="task-list">
@@ -628,7 +633,7 @@ <h3 class="accordion-header" id="headingSpoiler1">
   How to change them?
   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>If they are not what you expect (in case you have many), change them
 with</p>
@@ -687,7 +692,7 @@ <h3 class="accordion-header" id="headingSpoiler2">
   How to link a project to your billing account?
   </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>First list the billing accounts</p>
 <div class="codewrapper sourceCode" id="cb7">
@@ -989,7 +994,7 @@ <h3 class="accordion-header" id="headingSpoiler1">
   Error: Quota exceeded?
   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Failure with errors of type</p>
 <pre><code>Code: QUOTA_EXCEEDED
@@ -1508,8 +1513,8 @@ <h3 class="callout-title">Key Points</h3>
   "url": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/aio.html",
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/aio.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index 1d635d7..4f416ba 100644
--- a/images.html
+++ b/images.html
@@ -407,8 +407,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/images.html",
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/images.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index 1fe4110..dc36348 100644
--- a/index.html
+++ b/index.html
@@ -404,14 +404,14 @@ <h3 id="optional-for-building-a-customized-cmssw-container-image-docker">Optiona
 code with your selections and build a new container image.</p>
 </div>
 <div class="section level3">
-<h3 id="optional-for-building-an-image-disk-go">Optional for building an image disk: go<a class="anchor" aria-label="anchor" href="#optional-for-building-an-image-disk-go"></a></h3>
+<h3 id="building-an-image-disk-go">Building an image disk: go<a class="anchor" aria-label="anchor" href="#building-an-image-disk-go"></a></h3>
 <p>A secondary boot disk image with the CMSSW container image
 preinstalled makes the processing workflow step start immediately.
 Otherwise, the image needs to be pulled at the start of the processing
 step and done for each cluster node separately.</p>
 <p>This disk image can be created and stored using GCP resources. A
-<code>go</code> script is <a href="https://github.com/GoogleCloudPlatform/ai-on-gke/tree/main/tools/gke-disk-image-builder" class="external-link">available</a>
-for creating the image. To run it, install <code>go</code> following <a href="https://go.dev/doc/install" class="external-link">these instructions</a> (WSL2 users
+<code>go</code> script is available for creating the image. To run it,
+install <code>go</code> following <a href="https://go.dev/doc/install" class="external-link">these instructions</a> (WSL2 users
 should follow the Linux instructions).</p>
 <!--
 Place links that you need to refer to multiple times across pages here. Delete
@@ -467,8 +467,8 @@ <h3 id="optional-for-building-an-image-disk-go">Optional for building an image d
   "url": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/index.html",
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/index.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index 701b823..b2eb876 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -410,8 +410,8 @@ <h1>Instructor Notes</h1>
   "url": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor-notes.html",
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor-notes.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/instructor/01-intro.html b/instructor/01-intro.html
index d4b4d9a..7234c18 100644
--- a/instructor/01-intro.html
+++ b/instructor/01-intro.html
@@ -221,6 +221,7 @@ <h2 class="accordion-header chapters" id="flush-headingEleven">
 <li><a href="#terraform">Terraform</a></li>
 <li><a href="#kubernetes">Kubernetes</a></li>
 <li><a href="#argo-workflows">Argo Workflows</a></li>
+<li><a href="#ready-to-go">Ready to go?</a></li>
         </ul></div><!--/div.accordion-body-->
     </div><!--/div.accordion-collapse-->
 
@@ -321,7 +322,7 @@ <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 2024-10-19 |
+        <p>Last updated on 2024-10-21 |
 
         <a href="https://github.com/cms-opendata-workshop/tutorial-lesson-cloud-processing-gcp/edit/main/episodes/01-intro.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 
@@ -377,12 +378,11 @@ <h3 class="callout-title">Callout</h3>
 </div>
 </div>
 </div>
-<p>This is an option for you if you do not have enough computing
-resources and want to run some heavy processing. In this tutorial, we
-use as an <a href="https://opendata.cern.ch/record/12504" class="external-link">example
-processing</a> of CMS open data MiniAOD to a “custom” NanoAOD, including
-more information than the standard NanoAOD but still in the same flat
-file format.</p>
+<p>Using public cloud resources is an option for you if you do not have
+enough computing resources and want to run some heavy processing. In
+this tutorial, we use as an <a href="https://opendata.cern.ch/record/12504" class="external-link">example processing</a> of
+CMS open data MiniAOD to a “custom” NanoAOD, including more information
+than the standard NanoAOD but still in the same flat file format.</p>
 <p>We assume that you would want to download the output files to your
 local area and analyse them with your own resources. Note that analysis
 using GCP resources with your files stored on GCP is also possible, but
@@ -390,9 +390,9 @@ <h3 class="callout-title">Callout</h3>
 </section><section><h2 class="section-heading" id="google-cloud-platform">Google Cloud Platform<a class="anchor" aria-label="anchor" href="#google-cloud-platform"></a></h2>
 <hr class="half-width"><p>Public cloud providers are companies that offers computing resources
 and services over the internet to multiple users or organizations.
-Google Cloud Platform (GCP) is one of them. You define the resources
-that you need and pay for what you use. As many other such resource
-providers (for example AWS, Azure, OHV), it offers some free
+Google Cloud Platform (GCP) is one of them. You define and deploy the
+resources that you need and pay for what you use. As many other such
+resource providers (for example AWS, Azure, OHV), it offers some free
 getting-started “credits”.</p>
 <div id="callout2" class="callout">
 <div class="callout-square">
@@ -401,6 +401,9 @@ <h3 class="callout-title">Callout</h3>
 <div class="callout-inner">
 <h3 class="callout-title">Callout</h3>
 <div class="callout-content">
+<p>GCP offers <a href="https://cloud.google.com/free/docs/free-cloud-features#free-trial" class="external-link">free
+trial</a> credits for $300 for a new account. This credit is valid for
+90 days.</p>
 <p>This tutorial was set up using <a href="https://cloud.google.com/edu/researchers" class="external-link">Google Cloud Research
 credits</a>. You can apply for similar credits for your research
 projects. Take note that the credit has to be used within 12 months.</p>
@@ -436,12 +439,13 @@ <h3 class="callout-title">Callout</h3>
 <p>In this tutorial, the Argo Workflows services are set up using a
 <code>kubectl</code> command. We use <code>argo</code>, the command-line
 tool, to submit and manage the workflows.</p>
-<div id="ready-to-go" class="callout checklist">
+</section><section><h2 class="section-heading" id="ready-to-go">Ready to go?<a class="anchor" aria-label="anchor" href="#ready-to-go"></a></h2>
+<hr class="half-width"><div id="checklist1" class="callout checklist">
 <div class="callout-square">
 <i class="callout-icon" data-feather="check-square"></i>
 </div>
-<div id="ready-to-go" class="callout-inner">
-<h3 class="callout-title">Ready to go?</h3>
+<div class="callout-inner">
+<h3 class="callout-title">Checklist</h3>
 <div class="callout-content">
 <p>Check the instructions in <a href="index.html#software-setup">Software setup</a></p>
 <ul class="task-list"><li><label><input type="checkbox">a GCP account and a GCP
@@ -562,8 +566,8 @@ <h3 class="callout-title">Key Points</h3>
   "url": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor/01-intro.html",
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor/01-intro.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-19",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/instructor/02-storage.html b/instructor/02-storage.html
index 33ffb07..3f23fac 100644
--- a/instructor/02-storage.html
+++ b/instructor/02-storage.html
@@ -396,7 +396,7 @@ <h3 class="accordion-header" id="headingSpoiler1">
   How to change them?
   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>If they are not what you expect (in case you have many), change them
 with</p>
@@ -452,7 +452,7 @@ <h3 class="accordion-header" id="headingSpoiler2">
   How to link a project to your billing account?
   </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>First list the billing accounts</p>
 <div class="codewrapper sourceCode" id="cb7">
@@ -623,7 +623,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor/02-storage.html",
   "dateCreated": "2024-10-10",
   "dateModified": "2024-10-16",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/instructor/03-disk-image.html b/instructor/03-disk-image.html
index a83ea42..2efa7ae 100644
--- a/instructor/03-disk-image.html
+++ b/instructor/03-disk-image.html
@@ -490,7 +490,7 @@ <h3 class="accordion-header" id="headingSpoiler1">
   Error: Quota exceeded?
   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Failure with errors of type</p>
 <pre><code>Code: QUOTA_EXCEEDED
@@ -613,7 +613,7 @@ <h3 class="callout-title">Key Points</h3>
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor/03-disk-image.html",
   "dateCreated": "2024-10-10",
   "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
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diff --git a/instructor/04-cluster.html b/instructor/04-cluster.html
index 13e3042..4285dec 100644
--- a/instructor/04-cluster.html
+++ b/instructor/04-cluster.html
@@ -552,7 +552,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2024-10-10",
   "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
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diff --git a/instructor/05-workflow.html b/instructor/05-workflow.html
index 6c9874b..29b2c51 100644
--- a/instructor/05-workflow.html
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@@ -577,7 +577,7 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2024-10-10",
   "dateModified": "2024-10-19",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index b23373b..5012c1e 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -365,8 +365,8 @@ <h1>Page not found</h1>
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   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor/404.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 6328bfd..2e40b65 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -394,7 +394,7 @@ <h1>Contributor Code of Conduct</h1>
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   "dateCreated": "2024-10-10",
   "dateModified": "2024-06-19",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index edd64fb..acaf62e 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -475,7 +475,7 @@ <h1>Licenses</h1>
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   "dateCreated": "2024-10-10",
   "dateModified": "2024-06-19",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
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diff --git a/instructor/aio.html b/instructor/aio.html
index e154b1b..a346992 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -358,7 +358,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
         
 <section id="aio-01-intro"><p>Content from <a href="01-intro.html">Introduction</a></p>
 <hr>
-<p>Last updated on 2024-10-19 |
+<p>Last updated on 2024-10-21 |
 
         <a href="https://github.com/cms-opendata-workshop/tutorial-lesson-cloud-processing-gcp/edit/main/episodes/01-intro.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
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@@ -413,12 +413,11 @@ <h3 class="callout-title">Callout</h3>
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 </div>
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-processing</a> of CMS open data MiniAOD to a “custom” NanoAOD, including
-more information than the standard NanoAOD but still in the same flat
-file format.</p>
+<p>Using public cloud resources is an option for you if you do not have
+enough computing resources and want to run some heavy processing. In
+this tutorial, we use as an <a href="https://opendata.cern.ch/record/12504" class="external-link">example processing</a> of
+CMS open data MiniAOD to a “custom” NanoAOD, including more information
+than the standard NanoAOD but still in the same flat file format.</p>
 <p>We assume that you would want to download the output files to your
 local area and analyse them with your own resources. Note that analysis
 using GCP resources with your files stored on GCP is also possible, but
@@ -428,9 +427,9 @@ <h3 class="callout-title">Callout</h3>
 <hr class="half-width">
 <p>Public cloud providers are companies that offers computing resources
 and services over the internet to multiple users or organizations.
-Google Cloud Platform (GCP) is one of them. You define the resources
-that you need and pay for what you use. As many other such resource
-providers (for example AWS, Azure, OHV), it offers some free
+Google Cloud Platform (GCP) is one of them. You define and deploy the
+resources that you need and pay for what you use. As many other such
+resource providers (for example AWS, Azure, OHV), it offers some free
 getting-started “credits”.</p>
 <div id="callout2" class="callout">
 <div class="callout-square">
@@ -439,6 +438,9 @@ <h3 class="callout-title">Callout</h3>
 <div class="callout-inner">
 <h3 class="callout-title">Callout</h3>
 <div class="callout-content">
+<p>GCP offers <a href="https://cloud.google.com/free/docs/free-cloud-features#free-trial" class="external-link">free
+trial</a> credits for $300 for a new account. This credit is valid for
+90 days.</p>
 <p>This tutorial was set up using <a href="https://cloud.google.com/edu/researchers" class="external-link">Google Cloud Research
 credits</a>. You can apply for similar credits for your research
 projects. Take note that the credit has to be used within 12 months.</p>
@@ -480,12 +482,15 @@ <h3 class="callout-title">Callout</h3>
 <p>In this tutorial, the Argo Workflows services are set up using a
 <code>kubectl</code> command. We use <code>argo</code>, the command-line
 tool, to submit and manage the workflows.</p>
-<div id="ready-to-go" class="callout checklist">
+</section><section><h2 class="section-heading" id="ready-to-go">Ready to go?<a class="anchor" aria-label="anchor" href="#ready-to-go"></a>
+</h2>
+<hr class="half-width">
+<div id="checklist1" class="callout checklist">
 <div class="callout-square">
 <i class="callout-icon" data-feather="check-square"></i>
 </div>
-<div id="ready-to-go" class="callout-inner">
-<h3 class="callout-title">Ready to go?</h3>
+<div class="callout-inner">
+<h3 class="callout-title">Checklist</h3>
 <div class="callout-content">
 <p>Check the instructions in <a href="index.html#software-setup">Software setup</a></p>
 <ul class="task-list">
@@ -632,7 +637,7 @@ <h3 class="accordion-header" id="headingSpoiler1">
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   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>If they are not what you expect (in case you have many), change them
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@@ -691,7 +696,7 @@ <h3 class="accordion-header" id="headingSpoiler2">
   How to link a project to your billing account?
   </h3>
 </button>
-<div id="collapseSpoiler2" class="accordion-collapse collapse" aria-labelledby="headingSpoiler2" data-bs-parent="#accordionSpoiler2">
+<div id="collapseSpoiler2" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler2" aria-labelledby="headingSpoiler2">
 <div class="accordion-body">
 <p>First list the billing accounts</p>
 <div class="codewrapper sourceCode" id="cb7">
@@ -994,7 +999,7 @@ <h3 class="accordion-header" id="headingSpoiler1">
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   </h3>
 </button>
-<div id="collapseSpoiler1" class="accordion-collapse collapse" aria-labelledby="headingSpoiler1" data-bs-parent="#accordionSpoiler1">
+<div id="collapseSpoiler1" class="accordion-collapse collapse" data-bs-parent="#accordionSpoiler1" aria-labelledby="headingSpoiler1">
 <div class="accordion-body">
 <p>Failure with errors of type</p>
 <pre><code>Code: QUOTA_EXCEEDED
@@ -1515,8 +1520,8 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
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+  "datePublished": "2024-10-21"
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index 7004f71..e444583 100644
--- a/instructor/images.html
+++ b/instructor/images.html
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   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
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diff --git a/instructor/index.html b/instructor/index.html
index 6ac035f..88465be 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -461,14 +461,14 @@ <h3 id="optional-for-building-a-customized-cmssw-container-image-docker">Optiona
 code with your selections and build a new container image.</p>
 </div>
 <div class="section level3">
-<h3 id="optional-for-building-an-image-disk-go">Optional for building an image disk: go<a class="anchor" aria-label="anchor" href="#optional-for-building-an-image-disk-go"></a></h3>
+<h3 id="building-an-image-disk-go">Building an image disk: go<a class="anchor" aria-label="anchor" href="#building-an-image-disk-go"></a></h3>
 <p>A secondary boot disk image with the CMSSW container image
 preinstalled makes the processing workflow step start immediately.
 Otherwise, the image needs to be pulled at the start of the processing
 step and done for each cluster node separately.</p>
 <p>This disk image can be created and stored using GCP resources. A
-<code>go</code> script is <a href="https://github.com/GoogleCloudPlatform/ai-on-gke/tree/main/tools/gke-disk-image-builder" class="external-link">available</a>
-for creating the image. To run it, install <code>go</code> following <a href="https://go.dev/doc/install" class="external-link">these instructions</a> (WSL2 users
+<code>go</code> script is available for creating the image. To run it,
+install <code>go</code> following <a href="https://go.dev/doc/install" class="external-link">these instructions</a> (WSL2 users
 should follow the Linux instructions).</p>
 <!--
 Place links that you need to refer to multiple times across pages here. Delete
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   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor/index.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index d91c26c..3359d7c 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -417,8 +417,8 @@ <h1>Instructor Notes</h1>
   "url": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor/instructor-notes.html",
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor/instructor-notes.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 1f10c6a..ef4e167 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -444,8 +444,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index acc26e9..3508026 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
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   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/instructor/profiles.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
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diff --git a/instructor/reference.html b/instructor/reference.html
index df28c81..cbb76be 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
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   "dateCreated": "2024-10-10",
   "dateModified": "2024-10-14",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index 0dd7a7d..096ad61 100644
--- a/key-points.html
+++ b/key-points.html
@@ -442,8 +442,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/key-points.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/md5sum.txt b/md5sum.txt
index f6f1d73..e0fbcab 100644
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 "episodes/02-storage.md" "7ada170ff81f163e0c458aa1d6964e5b" "site/built/02-storage.md" "2024-10-16"
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 "episodes/04-cluster.md" "bf22e824679ad0ccfb0f1a9b194d604a" "site/built/04-cluster.md" "2024-10-20"
 "episodes/05-workflow.md" "a4420b5f8b34060533c46221fc9d009d" "site/built/05-workflow.md" "2024-10-19"
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diff --git a/pkgdown.yml b/pkgdown.yml
index 74dee90..743f091 100644
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@@ -2,4 +2,4 @@ pandoc: 3.1.11
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+last_built: 2024-10-21T07:35Z
diff --git a/profiles.html b/profiles.html
index 4ff8b9f..6a573b0 100644
--- a/profiles.html
+++ b/profiles.html
@@ -343,8 +343,8 @@ <h1>Learner Profiles</h1>
   "url": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/profiles.html",
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/profiles.html",
   "dateCreated": "2024-10-10",
-  "dateModified": "2024-10-20",
-  "datePublished": "2024-10-20"
+  "dateModified": "2024-10-21",
+  "datePublished": "2024-10-21"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 950c5d5..1c627a6 100644
--- a/reference.html
+++ b/reference.html
@@ -385,7 +385,7 @@ <h1>Reference</h1>
   "identifier": "https://cms-opendata-workshop.github.io/tutorial-lesson-cloud-processing-gcp/reference.html",
   "dateCreated": "2024-10-10",
   "dateModified": "2024-10-14",
-  "datePublished": "2024-10-20"
+  "datePublished": "2024-10-21"
 }
 
   </script><script>