diff --git a/1-intro-reproducible-examples.html b/1-intro-reproducible-examples.html
index c59533ed..ed77245e 100644
--- a/1-intro-reproducible-examples.html
+++ b/1-intro-reproducible-examples.html
@@ -525,7 +525,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/2-understanding-your-code.html b/2-understanding-your-code.html
index 029ed418..3695d866 100644
--- a/2-understanding-your-code.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">
 <pre><code>D. Load necessary packages
 B. Choose only the most fuel efficient cars
@@ -472,7 +472,7 @@ <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
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index ebf20a62..eef8436d 100644
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 <div class="accordion-body">
 <ol start="2" style="list-style-type: lower-alpha"><li>Error in length(5, 6, 7) : 3 arguments passed to ‘length’ which
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@@ -473,7 +473,7 @@ <h4 class="accordion-header" id="headingSolution1">
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diff --git a/4-minimal-reproducible-data.html b/4-minimal-reproducible-data.html
index 2917a04d..d25384ce 100644
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+++ b/4-minimal-reproducible-data.html
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 <div class="accordion-body">
 <ol style="list-style-type: upper-alpha"><li>Not reproducible because it is a screenshot.<br></li>
 <li>Not reproducible because it is a path to a file that only exists on
@@ -593,7 +593,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The correct answer is C!</p>
 <ol style="list-style-type: upper-alpha"><li>does not include the variable of interest (weight).</li>
@@ -760,7 +760,7 @@ <h3 class="callout-title">Exercise 4</h3>
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-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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 <div class="accordion-body">
 <p>A. We just need a T/F vector of whether someone voted for A (T) or B
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@@ -851,7 +851,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/404.html b/404.html
index 1468555b..5747d323 100644
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diff --git a/5-minimal-reproducible-code.html b/5-minimal-reproducible-code.html
index ea79f23c..96d4f2d9 100644
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@@ -421,7 +421,7 @@ <h3 class="card-title">Objectives</h3>
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diff --git a/6-asking-your-question.html b/6-asking-your-question.html
index 9a473771..5dd6bcda 100644
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diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 6831a64a..4414d379 100644
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index 6e1c07a7..6d7a8f26 100644
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diff --git a/LICENSE.html b/LICENSE.html
index a0c7d409..28bdc7d2 100644
--- a/LICENSE.html
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diff --git a/aio.html b/aio.html
index 7bbd8442..c8147ad5 100644
--- a/aio.html
+++ b/aio.html
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 </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">
 <pre><code>D. Load necessary packages
 B. Choose only the most fuel efficient cars
@@ -683,7 +683,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Solution Title
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <div class="accordion-body">
 <ol start="2" style="list-style-type: lower-alpha">
 <li>Error in length(5, 6, 7) : 3 arguments passed to ‘length’ which
@@ -907,7 +907,7 @@ <h3 class="callout-title">Exercise 1</h3>
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <div class="accordion-body">
 <ol style="list-style-type: upper-alpha">
 <li>Not reproducible because it is a screenshot.<br>
@@ -970,7 +970,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The correct answer is C!</p>
 <ol style="list-style-type: upper-alpha">
@@ -1142,7 +1142,7 @@ <h3 class="callout-title">Exercise 4</h3>
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-<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">
 <p>A. We just need a T/F vector of whether someone voted for A (T) or B
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@@ -1307,8 +1307,8 @@ <h3 class="callout-title">Key Points</h3>
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   "dateCreated": "2024-05-14",
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diff --git a/images.html b/images.html
index 7b4104b9..372505d9 100644
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index 8c32f65e..d98e050d 100644
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index a65c3f7b..dff2fe09 100644
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diff --git a/instructor/1-intro-reproducible-examples.html b/instructor/1-intro-reproducible-examples.html
index 71fdc48e..441287e7 100644
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diff --git a/instructor/2-understanding-your-code.html b/instructor/2-understanding-your-code.html
index 63e2490e..2f418414 100644
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 </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">
 <pre><code>D. Load necessary packages
 B. Choose only the most fuel efficient cars
@@ -474,7 +474,7 @@ <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
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diff --git a/instructor/3-identify-the-problem.html b/instructor/3-identify-the-problem.html
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 <ol start="2" style="list-style-type: lower-alpha"><li>Error in length(5, 6, 7) : 3 arguments passed to ‘length’ which
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@@ -475,7 +475,7 @@ <h4 class="accordion-header" id="headingSolution1">
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diff --git a/instructor/4-minimal-reproducible-data.html b/instructor/4-minimal-reproducible-data.html
index 129bb539..50c0ac07 100644
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 <ol style="list-style-type: upper-alpha"><li>Not reproducible because it is a screenshot.<br></li>
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@@ -595,7 +595,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
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 <div class="accordion-body">
 <p>The correct answer is C!</p>
 <ol style="list-style-type: upper-alpha"><li>does not include the variable of interest (weight).</li>
@@ -762,7 +762,7 @@ <h3 class="callout-title">Exercise 4</h3>
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 <div class="accordion-body">
 <p>A. We just need a T/F vector of whether someone voted for A (T) or B
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@@ -853,7 +853,7 @@ <h3 class="callout-title">Key Points</h3>
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diff --git a/instructor/5-minimal-reproducible-code.html b/instructor/5-minimal-reproducible-code.html
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diff --git a/instructor/6-asking-your-question.html b/instructor/6-asking-your-question.html
index 5ec34af6..b2f189ee 100644
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index 7f0fba53..4ea44a1b 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -401,7 +401,7 @@ <h1>Contributor Code of Conduct</h1>
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diff --git a/instructor/GOVERNANCE.html b/instructor/GOVERNANCE.html
index 7f2aa681..dc207029 100644
--- a/instructor/GOVERNANCE.html
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@@ -544,7 +544,7 @@ <h3 id="decision-making">Decision-making<a class="anchor" aria-label="anchor" hr
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diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 8a0708d2..2e13c0fd 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -449,7 +449,7 @@ <h1>Licenses</h1>
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diff --git a/instructor/aio.html b/instructor/aio.html
index 2ba15fd0..ce087a07 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -594,7 +594,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1"> Show me the solution </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <pre><code>D. Load necessary packages
 B. Choose only the most fuel efficient cars
@@ -688,7 +688,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Solution Title
   </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 start="2" style="list-style-type: lower-alpha">
 <li>Error in length(5, 6, 7) : 3 arguments passed to ‘length’ which
@@ -913,7 +913,7 @@ <h3 class="callout-title">Exercise 1</h3>
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   <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">
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 <ol style="list-style-type: upper-alpha">
 <li>Not reproducible because it is a screenshot.<br>
@@ -976,7 +976,7 @@ <h3 class="code-label">R<i aria-hidden="true" data-feather="chevron-left"></i><i
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-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The correct answer is C!</p>
 <ol style="list-style-type: upper-alpha">
@@ -1148,7 +1148,7 @@ <h3 class="callout-title">Exercise 4</h3>
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   <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">
 <p>A. We just need a T/F vector of whether someone voted for A (T) or B
 (F). B. We need a dataframe with separate columns for zipcodes (int),
@@ -1315,8 +1315,8 @@ <h3 class="callout-title">Key Points</h3>
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-  "dateModified": "2024-09-17",
-  "datePublished": "2024-09-17"
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diff --git a/instructor/images.html b/instructor/images.html
index 766c89f5..0e834614 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -422,8 +422,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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-  "dateModified": "2024-09-17",
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diff --git a/instructor/index.html b/instructor/index.html
index 0898dbea..51605016 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -672,8 +672,8 @@ <h3 id="download-the-data">Download the data<a class="anchor" aria-label="anchor
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   "dateCreated": "2024-05-14",
-  "dateModified": "2024-09-17",
-  "datePublished": "2024-09-17"
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diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 40c01442..b41a5acb 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -467,8 +467,8 @@ <h1>Instructor Notes</h1>
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-  "dateModified": "2024-09-17",
-  "datePublished": "2024-09-17"
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diff --git a/instructor/key-points.html b/instructor/key-points.html
index 106e0e31..7c9c38e8 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -446,8 +446,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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-  "dateModified": "2024-09-17",
-  "datePublished": "2024-09-17"
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diff --git a/instructor/profiles.html b/instructor/profiles.html
index 197919ce..0992c96e 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -352,8 +352,8 @@ <h1>Learner Profiles</h1>
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-  "dateModified": "2024-09-17",
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diff --git a/instructor/reference.html b/instructor/reference.html
index 24aac454..324a52be 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
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-  "datePublished": "2024-09-17"
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diff --git a/key-points.html b/key-points.html
index 5485edb3..4233b649 100644
--- a/key-points.html
+++ b/key-points.html
@@ -444,8 +444,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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diff --git a/pkgdown.yml b/pkgdown.yml
index 7be015f4..4b2280ee 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -1,5 +1,5 @@
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-pkgdown: 2.1.0
+pkgdown: 2.1.1
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+last_built: 2024-09-24T01:15Z
diff --git a/profiles.html b/profiles.html
index 8303af26..269159eb 100644
--- a/profiles.html
+++ b/profiles.html
@@ -352,8 +352,8 @@ <h1>Learner Profiles</h1>
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-  "dateModified": "2024-09-17",
-  "datePublished": "2024-09-17"
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diff --git a/reference.html b/reference.html
index 57ada1b0..5be50d42 100644
--- a/reference.html
+++ b/reference.html
@@ -391,7 +391,7 @@ <h1>Reference</h1>
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