diff --git a/01-introduction.html b/01-introduction.html
index bb2d09a6..06119742 100644
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diff --git a/02-importing-data.html b/02-importing-data.html
index 1a113c81..52b1b2ac 100644
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diff --git a/03-working-with-data.html b/03-working-with-data.html
index 96ceb182..e386538b 100644
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diff --git a/04-faceting-and-filtering.html b/04-faceting-and-filtering.html
index 6fbfe5fc..e01b9a63 100644
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+++ b/04-faceting-and-filtering.html
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 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Create a facet for the ‘Licence’ column</li>
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 <ol style="list-style-type: decimal"><li>On the <code>DOI</code> column drop down and select
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 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Create a Text facet on the Language column</li>
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@@ -665,7 +665,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/05-clustering.html b/05-clustering.html
index d054ff81..65b0ba7e 100644
--- a/05-clustering.html
+++ b/05-clustering.html
@@ -486,7 +486,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/06-working-with-columns.html b/06-working-with-columns.html
index 78c4ec6a..a1ba49c9 100644
--- a/06-working-with-columns.html
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diff --git a/07-introduction-to-transformations.html b/07-introduction-to-transformations.html
index a8609b14..628ad9fa 100644
--- a/07-introduction-to-transformations.html
+++ b/07-introduction-to-transformations.html
@@ -504,7 +504,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/08-writing-transformations.html b/08-writing-transformations.html
index b783b4e9..7e3bc3f7 100644
--- a/08-writing-transformations.html
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@@ -492,7 +492,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/09-undo-and-redo.html b/09-undo-and-redo.html
index 94baf664..d8017504 100644
--- a/09-undo-and-redo.html
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@@ -470,7 +470,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/10-data-transformation.html b/10-data-transformation.html
index 86263f78..726b8099 100644
--- a/10-data-transformation.html
+++ b/10-data-transformation.html
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diff --git a/11-using-arrays-transformations.html b/11-using-arrays-transformations.html
index 854c29fa..0df555a6 100644
--- a/11-using-arrays-transformations.html
+++ b/11-using-arrays-transformations.html
@@ -591,7 +591,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/12-export-transformation.html b/12-export-transformation.html
index c61240c5..a0e91f3a 100644
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@@ -461,7 +461,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/13-looking-up-data.html b/13-looking-up-data.html
index 9953df48..4d58f6c4 100644
--- a/13-looking-up-data.html
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diff --git a/404.html b/404.html
index f244a106..9a3fe5ae 100644
--- a/404.html
+++ b/404.html
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diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index bf1509d3..c3ddb0d1 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
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diff --git a/LICENSE.html b/LICENSE.html
index 7adbae66..9aaafff7 100644
--- a/LICENSE.html
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diff --git a/aio.html b/aio.html
index 73a5ccf4..3ee53a63 100644
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Create a facet for the ‘Licence’ column</li>
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-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
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@@ -1401,7 +1401,7 @@ <h3 class="callout-title">Correct the Language values via a facet<a class="ancho
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-<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">
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diff --git a/discuss.html b/discuss.html
index 7a8422ed..604cd13f 100644
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index 43e5a183..3d51c8fd 100644
--- a/images.html
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diff --git a/index.html b/index.html
index 45a9afeb..94ab6bc6 100644
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diff --git a/instructor-notes.html b/instructor-notes.html
index 1464ecd9..d1a144eb 100644
--- a/instructor-notes.html
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   "dateCreated": "2018-04-12",
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diff --git a/instructor/01-introduction.html b/instructor/01-introduction.html
index 727503de..2c1de636 100644
--- a/instructor/01-introduction.html
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diff --git a/instructor/02-importing-data.html b/instructor/02-importing-data.html
index 09ea1985..4b6b1db6 100644
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 <div class="accordion-body">
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 <div class="accordion-body">
 <p>Carefully guide learners on how to revisit OpenRefine’s homepage to
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index d4cbf8d6..3d4bebaf 100644
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index 760d4b29..62239204 100644
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+++ b/instructor/04-faceting-and-filtering.html
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-<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">
 <ol style="list-style-type: decimal"><li>Create a facet for the ‘Licence’ column</li>
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@@ -534,7 +534,7 @@ <h3 class="callout-title">Find all publications without a DOI<a class="anchor" a
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index 78226004..13792a1f 100644
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diff --git a/instructor/06-working-with-columns.html b/instructor/06-working-with-columns.html
index cbcbdd20..63ee9f0c 100644
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diff --git a/instructor/08-writing-transformations.html b/instructor/08-writing-transformations.html
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index 3131178d..4dfbe0fe 100644
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@@ -472,7 +472,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/instructor/10-data-transformation.html b/instructor/10-data-transformation.html
index 6538f672..1771dba0 100644
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@@ -610,7 +610,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/instructor/11-using-arrays-transformations.html b/instructor/11-using-arrays-transformations.html
index 0c0862bb..92623460 100644
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+++ b/instructor/11-using-arrays-transformations.html
@@ -624,7 +624,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/instructor/12-export-transformation.html b/instructor/12-export-transformation.html
index 88ee257c..c2d73cef 100644
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@@ -463,7 +463,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/instructor/13-looking-up-data.html b/instructor/13-looking-up-data.html
index 495103fc..1ca45a87 100644
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+++ b/instructor/13-looking-up-data.html
@@ -732,7 +732,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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-  "datePublished": "2024-06-13"
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diff --git a/instructor/404.html b/instructor/404.html
index e5851ec3..c77d9b30 100644
--- a/instructor/404.html
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-  "dateModified": "2024-06-13",
-  "datePublished": "2024-06-13"
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diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 48e80590..d88c3617 100644
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@@ -399,7 +399,7 @@ <h1>Contributor Code of Conduct</h1>
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diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index e37b1f5d..281e6bb0 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -450,7 +450,7 @@ <h1>Licenses</h1>
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diff --git a/instructor/aio.html b/instructor/aio.html
index 1a50b7f6..9b421097 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -795,7 +795,7 @@ <h3 class="callout-title">Create your first OpenRefine project (using
   <h3 class="accordion-header" id="headingInstructor1">
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-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
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-<div id="collapseInstructor2" class="accordion-collapse collapse" aria-labelledby="headingInstructor2" data-bs-parent="#accordionInstructor2">
+<div id="collapseInstructor2" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor2" aria-labelledby="headingInstructor2">
 <div class="accordion-body">
 <p>Carefully guide learners on how to revisit OpenRefine’s homepage to
 explore import options when creating new or re-opening existing
@@ -1283,7 +1283,7 @@ <h3 class="callout-title">Which licences are used for articles in this
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-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <div class="accordion-body">
 <ol style="list-style-type: decimal">
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@@ -1386,7 +1386,7 @@ <h3 class="callout-title">Find all publications without a DOI<a class="anchor" a
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-<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>On the <code>DOI</code> column drop down and select
@@ -1436,7 +1436,7 @@ <h3 class="callout-title">Correct the Language values via a facet<a class="ancho
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-<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">
 <ol style="list-style-type: decimal">
 <li>Create a Text facet on the Language column</li>
@@ -3056,8 +3056,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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-  "dateModified": "2024-06-13",
-  "datePublished": "2024-06-13"
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 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index ffab56eb..5b6ace88 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -399,7 +399,7 @@ <h1>Discussion</h1>
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-10-20",
-  "datePublished": "2024-06-13"
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diff --git a/instructor/images.html b/instructor/images.html
index 28e1b08a..6cddd229 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -468,8 +468,8 @@ <h3 id="13-looking-up-data-figure-1">Figure 1</h3>
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   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-13",
-  "datePublished": "2024-06-13"
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diff --git a/instructor/index.html b/instructor/index.html
index be1b6fb6..b994d97f 100644
--- a/instructor/index.html
+++ b/instructor/index.html
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-  "dateModified": "2024-06-13",
-  "datePublished": "2024-06-13"
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diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 3c354ba5..13319e35 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -574,8 +574,8 @@ <h3 id="11-using-arrays-transformations-headingInstructor1">
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   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-13",
-  "datePublished": "2024-06-13"
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diff --git a/instructor/key-points.html b/instructor/key-points.html
index ae5e3aa7..93a8fe8f 100644
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   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-13",
-  "datePublished": "2024-06-13"
+  "dateModified": "2024-06-18",
+  "datePublished": "2024-06-18"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 0f1615cf..7160609e 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -348,8 +348,8 @@ <h1>Learner Profiles</h1>
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   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-13",
-  "datePublished": "2024-06-13"
+  "dateModified": "2024-06-18",
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 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index 70418866..a4878cc7 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -392,7 +392,7 @@ <h1>Reference</h1>
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-13"
+  "datePublished": "2024-06-18"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index dce44353..4bd7b85e 100644
--- a/key-points.html
+++ b/key-points.html
@@ -528,8 +528,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "identifier": "https://librarycarpentry.github.io/lc-open-refine/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-13",
-  "datePublished": "2024-06-13"
+  "dateModified": "2024-06-18",
+  "datePublished": "2024-06-18"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 1b781573..5ece4f94 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 3.1.11
 pkgdown: 2.0.9
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-06-13T13:03Z
+last_built: 2024-06-18T00:25Z
 
diff --git a/profiles.html b/profiles.html
index 29c6183e..c13f6ec0 100644
--- a/profiles.html
+++ b/profiles.html
@@ -348,8 +348,8 @@ <h1>Learner Profiles</h1>
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   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-13",
-  "datePublished": "2024-06-13"
+  "dateModified": "2024-06-18",
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 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 89c2cc64..d12bf201 100644
--- a/reference.html
+++ b/reference.html
@@ -390,7 +390,7 @@ <h1>Reference</h1>
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-13"
+  "datePublished": "2024-06-18"
 }
 
   </script><script>