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index e2f0131..9410dff 100644
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diff --git a/01-format-data.html b/01-format-data.html
index 3cc2cb4..44ab4bc 100644
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-<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">
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diff --git a/02-common-mistakes.html b/02-common-mistakes.html
index 835919e..50ef87c 100644
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diff --git a/03-dates-as-data.html b/03-dates-as-data.html
index 0d242de..0a398eb 100644
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diff --git a/04-quality-control.html b/04-quality-control.html
index c557ad4..31a5372 100644
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diff --git a/05-exporting-data.html b/05-exporting-data.html
index 125269b..9ed3456 100644
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diff --git a/404.html b/404.html
index 1783d1a..5f613ef 100644
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diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index b88ce51..59f9ef7 100644
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@@ -385,7 +385,7 @@ <h1>Contributor Code of Conduct</h1>
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diff --git a/LICENSE.html b/LICENSE.html
index 5375130..60830ae 100644
--- a/LICENSE.html
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diff --git a/NEWS.html b/NEWS.html
index da1f6a6..77e857c 100644
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diff --git a/aio.html b/aio.html
index defca25..b55eaea 100644
--- a/aio.html
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@@ -742,7 +742,7 @@ <h3 class="callout-title">Exercise</h3>
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-<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">
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diff --git a/datamanagement.html b/datamanagement.html
index ea81ecb..34556c6 100644
--- a/datamanagement.html
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diff --git a/discuss.html b/discuss.html
index ed37811..e2a42f1 100644
--- a/discuss.html
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@@ -437,7 +437,7 @@ <h3 id="dealing-with-commas-as-part-of-data-values-in-csv-files">Dealing with co
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diff --git a/images.html b/images.html
index d303a7b..113d046 100644
--- a/images.html
+++ b/images.html
@@ -496,8 +496,8 @@ <h3 id="05-exporting-data-figure-3">Figure 3</h3>
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   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
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+  "datePublished": "2024-12-17"
 }
 
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diff --git a/index.html b/index.html
index 3b640af..1d11d3a 100644
--- a/index.html
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@@ -503,8 +503,8 @@ <h4 id="linux">Linux<a class="anchor" aria-label="anchor" href="#linux"></a></h4
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   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
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+  "datePublished": "2024-12-17"
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diff --git a/instructor-notes.html b/instructor-notes.html
index df691d5..e965e78 100644
--- a/instructor-notes.html
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@@ -565,8 +565,8 @@ <h4 id="people-are-not-interactive-or-responsive-on-the-exercise">People are not
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   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
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diff --git a/instructor/00-intro.html b/instructor/00-intro.html
index b9d1a7a..9568698 100644
--- a/instructor/00-intro.html
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diff --git a/instructor/01-format-data.html b/instructor/01-format-data.html
index df79b78..5b75554 100644
--- a/instructor/01-format-data.html
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-<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">
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@@ -613,7 +613,7 @@ <h3 class="callout-title">Key Points</h3>
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index b2be4f4..3dae5e4 100644
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diff --git a/instructor/03-dates-as-data.html b/instructor/03-dates-as-data.html
index 5779bfd..2d5eacc 100644
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@@ -701,7 +701,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/instructor/04-quality-control.html b/instructor/04-quality-control.html
index 8372b01..abfedf2 100644
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diff --git a/instructor/05-exporting-data.html b/instructor/05-exporting-data.html
index 36b2611..876df77 100644
--- a/instructor/05-exporting-data.html
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@@ -555,7 +555,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/instructor/404.html b/instructor/404.html
index e231500..54b9a3d 100644
--- a/instructor/404.html
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@@ -364,8 +364,8 @@ <h1>Page not found</h1>
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   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
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diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 878ddd0..170f48b 100644
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@@ -387,7 +387,7 @@ <h1>Contributor Code of Conduct</h1>
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diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 7222b3a..78ea6c7 100644
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diff --git a/instructor/NEWS.html b/instructor/NEWS.html
index f97812b..3d71f63 100644
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diff --git a/instructor/aio.html b/instructor/aio.html
index f210c5d..71bc9ac 100644
--- a/instructor/aio.html
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@@ -748,7 +748,7 @@ <h3 class="callout-title">Exercise</h3>
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+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ul>
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@@ -2179,8 +2179,8 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
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diff --git a/instructor/datamanagement.html b/instructor/datamanagement.html
index 66c823b..5196d08 100644
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@@ -449,7 +449,7 @@ <h1>Data Management Tips</h1>
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   "dateCreated": "2023-05-03",
   "dateModified": "2023-05-03",
-  "datePublished": "2024-12-10"
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diff --git a/instructor/discuss.html b/instructor/discuss.html
index a3b780f..f3a2f72 100644
--- a/instructor/discuss.html
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   "dateCreated": "2023-05-03",
   "dateModified": "2023-05-03",
-  "datePublished": "2024-12-10"
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 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index 7a24845..619db88 100644
--- a/instructor/images.html
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@@ -500,8 +500,8 @@ <h3 id="05-exporting-data-figure-3">Figure 3</h3>
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   "identifier": "https://preview.carpentries.org/spreadsheet-ecology-lesson/instructor/images.html",
   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
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+  "datePublished": "2024-12-17"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 4574c25..e112939 100644
--- a/instructor/index.html
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@@ -574,8 +574,8 @@ <h4 id="linux">Linux<a class="anchor" aria-label="anchor" href="#linux"></a></h4
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   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
+  "dateModified": "2024-12-17",
+  "datePublished": "2024-12-17"
 }
 
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diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index c8f6756..45a79eb 100644
--- a/instructor/instructor-notes.html
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@@ -575,8 +575,8 @@ <h4 id="people-are-not-interactive-or-responsive-on-the-exercise">People are not
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   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
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diff --git a/instructor/key-points.html b/instructor/key-points.html
index 04d1f39..f36ab55 100644
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+++ b/instructor/key-points.html
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   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
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+  "datePublished": "2024-12-17"
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diff --git a/instructor/profiles.html b/instructor/profiles.html
index 07883ec..b5852bd 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -336,8 +336,8 @@ <h1>Learner Profiles</h1>
   "url": "https://preview.carpentries.org/spreadsheet-ecology-lesson/instructor/profiles.html",
   "identifier": "https://preview.carpentries.org/spreadsheet-ecology-lesson/instructor/profiles.html",
   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
+  "dateModified": "2024-12-17",
+  "datePublished": "2024-12-17"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index 7b47409..d369e57 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -446,7 +446,7 @@ <h1>Glossary</h1>
   "identifier": "https://preview.carpentries.org/spreadsheet-ecology-lesson/instructor/reference.html",
   "dateCreated": "2023-05-03",
   "dateModified": "2023-05-03",
-  "datePublished": "2024-12-10"
+  "datePublished": "2024-12-17"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index 8b9962a..e5ca0a4 100644
--- a/key-points.html
+++ b/key-points.html
@@ -458,8 +458,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://preview.carpentries.org/spreadsheet-ecology-lesson/key-points.html",
   "identifier": "https://preview.carpentries.org/spreadsheet-ecology-lesson/key-points.html",
   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
+  "dateModified": "2024-12-17",
+  "datePublished": "2024-12-17"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index d196fa0..fcffc44 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
 pkgdown: 2.1.1
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-12-10T01:47Z
+last_built: 2024-12-17T01:46Z
diff --git a/profiles.html b/profiles.html
index c85f130..fea8966 100644
--- a/profiles.html
+++ b/profiles.html
@@ -336,8 +336,8 @@ <h1>Learner Profiles</h1>
   "url": "https://preview.carpentries.org/spreadsheet-ecology-lesson/profiles.html",
   "identifier": "https://preview.carpentries.org/spreadsheet-ecology-lesson/profiles.html",
   "dateCreated": "2023-05-03",
-  "dateModified": "2024-12-10",
-  "datePublished": "2024-12-10"
+  "dateModified": "2024-12-17",
+  "datePublished": "2024-12-17"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index caae7b3..e17d405 100644
--- a/reference.html
+++ b/reference.html
@@ -444,7 +444,7 @@ <h1>Glossary</h1>
   "identifier": "https://preview.carpentries.org/spreadsheet-ecology-lesson/reference.html",
   "dateCreated": "2023-05-03",
   "dateModified": "2023-05-03",
-  "datePublished": "2024-12-10"
+  "datePublished": "2024-12-17"
 }
 
   </script><script>