diff --git a/aio.html b/aio.html
index 6b2a59a..3959a63 100644
--- a/aio.html
+++ b/aio.html
@@ -466,7 +466,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div>
 </section></section><section id="aio-scanner-to-computer"><p>Content from <a href="scanner-to-computer.html">From the scanner to our computer</a></p>
 <hr>
-<p>Last updated on 2024-02-18 |
+<p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/scanner-to-computer.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -621,7 +621,7 @@ <h3 class="callout-title">Converting DICOM to NIfTI<a class="anchor" aria-label=
 <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" 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="cb3">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -641,14 +641,17 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul>
+<ul>
+<li>MRI can capture anatomical (structural), functional, or diffusion
+features.</li>
+<li>A number of file formats exist to store neuroimaging data.</li>
+</ul>
 </div>
 </div>
 </div>
 </section></section><section id="aio-anatomy-of-nifti"><p>Content from <a href="anatomy-of-nifti.html">Anatomy of a NIfTI</a></p>
 <hr>
-<p>Last updated on 2024-02-18 |
+<p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/anatomy-of-nifti.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -1322,8 +1325,13 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul>
+<ul>
+<li>NIfTI image contain a header, which describes the contents, and the
+data.</li>
+<li>The position of the NIfTI data in space is determined by the affine
+matrix.</li>
+<li>NIfTI data is a multi-dimensional array of values.</li>
+</ul>
 </div>
 </div>
 </div>
@@ -1413,15 +1421,18 @@ <h3 id="bidsifying-your-dataset">bidsifying your dataset:<a class="anchor" aria-
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul>
+<ul>
+<li>BIDS is an organizational principle for neuroimaging data.</li>
+<li>Converting a raw MRI dataset to a BIDS-compatible dataset
+streamlines data processing pipelines.</li>
+</ul>
 </div>
 </div>
 </div>
 </div>
 </section></section><section id="aio-open-mri-datasets"><p>Content from <a href="open-mri-datasets.html">Exploring open MRI datasets</a></p>
 <hr>
-<p>Last updated on 2024-02-18 |
+<p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/open-mri-datasets.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -2099,9 +2110,10 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </h3>
 <div class="callout-content">
 <ul>
-<li>BIDS is an organizational principle for neuroimaging data</li>
+<li>Public neuroimaging BIDS-compatible data repositories allow for
+pulling data easily.</li>
 <li>PyBIDS is a Python-based tool that allows for easy exploration of
-BIDS-formatted neuroimaging data</li>
+BIDS-formatted neuroimaging data.</li>
 </ul>
 </div>
 </div>
@@ -2193,8 +2205,10 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul>
+<ul>
+<li>BIDS Apps are containerized applications that run on BIDS-compatible
+datasets.</li>
+</ul>
 </div>
 </div>
 </div></section>
diff --git a/anatomy-of-nifti.html b/anatomy-of-nifti.html
index d0b2daa..0d87a6a 100644
--- a/anatomy-of-nifti.html
+++ b/anatomy-of-nifti.html
@@ -269,7 +269,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Anatomy of a NIfTI</h1>
-        <p>Last updated on 2024-02-18 |
+        <p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/anatomy-of-nifti.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -929,8 +929,12 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul></div>
+<ul><li>NIfTI image contain a header, which describes the contents, and the
+data.</li>
+<li>The position of the NIfTI data in space is determined by the affine
+matrix.</li>
+<li>NIfTI data is a multi-dimensional array of values.</li>
+</ul></div>
 </div>
 </div>
 </div>
@@ -992,7 +996,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/anatomy-of-nifti.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/anatomy-of-nifti.html",
   "dateCreated": "2024-02-28",
-  "dateModified": "2024-02-18",
+  "dateModified": "2024-02-28",
   "datePublished": "2024-02-28"
 }
 
diff --git a/bids-derivatives.html b/bids-derivatives.html
index fafe5de..281b931 100644
--- a/bids-derivatives.html
+++ b/bids-derivatives.html
@@ -338,8 +338,9 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul></div>
+<ul><li>BIDS Apps are containerized applications that run on BIDS-compatible
+datasets.</li>
+</ul></div>
 </div>
 </div>
 
diff --git a/data-organization-bids.html b/data-organization-bids.html
index 8c4e461..fcaefd2 100644
--- a/data-organization-bids.html
+++ b/data-organization-bids.html
@@ -342,8 +342,10 @@ <h3 id="bidsifying-your-dataset">bidsifying your dataset:<a class="anchor" aria-
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul></div>
+<ul><li>BIDS is an organizational principle for neuroimaging data.</li>
+<li>Converting a raw MRI dataset to a BIDS-compatible dataset
+streamlines data processing pipelines.</li>
+</ul></div>
 </div>
 </div>
 </div>
diff --git a/instructor/aio.html b/instructor/aio.html
index 8480e93..2945167 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -469,7 +469,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div>
 </section></section><section id="aio-scanner-to-computer"><p>Content from <a href="scanner-to-computer.html">From the scanner to our computer</a></p>
 <hr>
-<p>Last updated on 2024-02-18 |
+<p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/scanner-to-computer.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 30 minutes</p>
@@ -625,7 +625,7 @@ <h3 class="callout-title">Converting DICOM to NIfTI<a class="anchor" aria-label=
 <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" 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="cb3">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -645,14 +645,17 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul>
+<ul>
+<li>MRI can capture anatomical (structural), functional, or diffusion
+features.</li>
+<li>A number of file formats exist to store neuroimaging data.</li>
+</ul>
 </div>
 </div>
 </div>
 </section></section><section id="aio-anatomy-of-nifti"><p>Content from <a href="anatomy-of-nifti.html">Anatomy of a NIfTI</a></p>
 <hr>
-<p>Last updated on 2024-02-18 |
+<p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/anatomy-of-nifti.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 25 minutes</p>
@@ -1327,8 +1330,13 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul>
+<ul>
+<li>NIfTI image contain a header, which describes the contents, and the
+data.</li>
+<li>The position of the NIfTI data in space is determined by the affine
+matrix.</li>
+<li>NIfTI data is a multi-dimensional array of values.</li>
+</ul>
 </div>
 </div>
 </div>
@@ -1419,15 +1427,18 @@ <h3 id="bidsifying-your-dataset">bidsifying your dataset:<a class="anchor" aria-
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul>
+<ul>
+<li>BIDS is an organizational principle for neuroimaging data.</li>
+<li>Converting a raw MRI dataset to a BIDS-compatible dataset
+streamlines data processing pipelines.</li>
+</ul>
 </div>
 </div>
 </div>
 </div>
 </section></section><section id="aio-open-mri-datasets"><p>Content from <a href="open-mri-datasets.html">Exploring open MRI datasets</a></p>
 <hr>
-<p>Last updated on 2024-02-18 |
+<p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/open-mri-datasets.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 45 minutes</p>
@@ -2106,9 +2117,10 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </h3>
 <div class="callout-content">
 <ul>
-<li>BIDS is an organizational principle for neuroimaging data</li>
+<li>Public neuroimaging BIDS-compatible data repositories allow for
+pulling data easily.</li>
 <li>PyBIDS is a Python-based tool that allows for easy exploration of
-BIDS-formatted neuroimaging data</li>
+BIDS-formatted neuroimaging data.</li>
 </ul>
 </div>
 </div>
@@ -2201,8 +2213,10 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul>
+<ul>
+<li>BIDS Apps are containerized applications that run on BIDS-compatible
+datasets.</li>
+</ul>
 </div>
 </div>
 </div></section>
diff --git a/instructor/anatomy-of-nifti.html b/instructor/anatomy-of-nifti.html
index 81842f4..c23ed80 100644
--- a/instructor/anatomy-of-nifti.html
+++ b/instructor/anatomy-of-nifti.html
@@ -269,7 +269,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Anatomy of a NIfTI</h1>
-        <p>Last updated on 2024-02-18 |
+        <p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/anatomy-of-nifti.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -931,8 +931,12 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul></div>
+<ul><li>NIfTI image contain a header, which describes the contents, and the
+data.</li>
+<li>The position of the NIfTI data in space is determined by the affine
+matrix.</li>
+<li>NIfTI data is a multi-dimensional array of values.</li>
+</ul></div>
 </div>
 </div>
 </div>
@@ -994,7 +998,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/instructor/anatomy-of-nifti.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/instructor/anatomy-of-nifti.html",
   "dateCreated": "2024-02-28",
-  "dateModified": "2024-02-18",
+  "dateModified": "2024-02-28",
   "datePublished": "2024-02-28"
 }
 
diff --git a/instructor/bids-derivatives.html b/instructor/bids-derivatives.html
index 3d96da8..413c72c 100644
--- a/instructor/bids-derivatives.html
+++ b/instructor/bids-derivatives.html
@@ -340,8 +340,9 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul></div>
+<ul><li>BIDS Apps are containerized applications that run on BIDS-compatible
+datasets.</li>
+</ul></div>
 </div>
 </div>
 
diff --git a/instructor/data-organization-bids.html b/instructor/data-organization-bids.html
index af9f034..0ecde7f 100644
--- a/instructor/data-organization-bids.html
+++ b/instructor/data-organization-bids.html
@@ -344,8 +344,10 @@ <h3 id="bidsifying-your-dataset">bidsifying your dataset:<a class="anchor" aria-
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul></div>
+<ul><li>BIDS is an organizational principle for neuroimaging data.</li>
+<li>Converting a raw MRI dataset to a BIDS-compatible dataset
+streamlines data processing pipelines.</li>
+</ul></div>
 </div>
 </div>
 </div>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 0ae4aa3..774abbb 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -319,23 +319,37 @@ <h2 class="accordion-header" id="flush-headingTwelve">
 internet.</li>
 </ul></section><section id="scanner-to-computer"><h2 class="section-heading"><a href="scanner-to-computer.html">From the scanner to our computer</a></h2>
 <hr class="half-width">
-<ul><li>
-</li></ul></section><section id="anatomy-of-nifti"><h2 class="section-heading"><a href="anatomy-of-nifti.html">Anatomy of a NIfTI</a></h2>
+<ul>
+<li>MRI can capture anatomical (structural), functional, or diffusion
+features.</li>
+<li>A number of file formats exist to store neuroimaging data.</li>
+</ul></section><section id="anatomy-of-nifti"><h2 class="section-heading"><a href="anatomy-of-nifti.html">Anatomy of a NIfTI</a></h2>
 <hr class="half-width">
-<ul><li>
-</li></ul></section><section id="data-organization-bids"><h2 class="section-heading"><a href="data-organization-bids.html">Data organization with BIDS</a></h2>
+<ul>
+<li>NIfTI image contain a header, which describes the contents, and the
+data.</li>
+<li>The position of the NIfTI data in space is determined by the affine
+matrix.</li>
+<li>NIfTI data is a multi-dimensional array of values.</li>
+</ul></section><section id="data-organization-bids"><h2 class="section-heading"><a href="data-organization-bids.html">Data organization with BIDS</a></h2>
 <hr class="half-width">
-<ul><li>
-</li></ul></section><section id="open-mri-datasets"><h2 class="section-heading"><a href="open-mri-datasets.html">Exploring open MRI datasets</a></h2>
+<ul>
+<li>BIDS is an organizational principle for neuroimaging data.</li>
+<li>Converting a raw MRI dataset to a BIDS-compatible dataset
+streamlines data processing pipelines.</li>
+</ul></section><section id="open-mri-datasets"><h2 class="section-heading"><a href="open-mri-datasets.html">Exploring open MRI datasets</a></h2>
 <hr class="half-width">
 <ul>
-<li>BIDS is an organizational principle for neuroimaging data</li>
+<li>Public neuroimaging BIDS-compatible data repositories allow for
+pulling data easily.</li>
 <li>PyBIDS is a Python-based tool that allows for easy exploration of
-BIDS-formatted neuroimaging data</li>
+BIDS-formatted neuroimaging data.</li>
 </ul></section><section id="bids-derivatives"><h2 class="section-heading"><a href="bids-derivatives.html">BIDS derivatives</a></h2>
 <hr class="half-width">
-<ul><li>
-</li></ul></section>
+<ul>
+<li>BIDS Apps are containerized applications that run on BIDS-compatible
+datasets.</li>
+</ul></section>
 </div>
     </main>
 </div>
diff --git a/instructor/open-mri-datasets.html b/instructor/open-mri-datasets.html
index 12b0c59..9ec2983 100644
--- a/instructor/open-mri-datasets.html
+++ b/instructor/open-mri-datasets.html
@@ -268,7 +268,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Exploring open MRI datasets</h1>
-        <p>Last updated on 2024-02-18 |
+        <p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/open-mri-datasets.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -914,9 +914,10 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>BIDS is an organizational principle for neuroimaging data</li>
+<ul><li>Public neuroimaging BIDS-compatible data repositories allow for
+pulling data easily.</li>
 <li>PyBIDS is a Python-based tool that allows for easy exploration of
-BIDS-formatted neuroimaging data</li>
+BIDS-formatted neuroimaging data.</li>
 </ul></div>
 </div>
 </div>
@@ -979,7 +980,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/instructor/open-mri-datasets.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/instructor/open-mri-datasets.html",
   "dateCreated": "2024-02-28",
-  "dateModified": "2024-02-18",
+  "dateModified": "2024-02-28",
   "datePublished": "2024-02-28"
 }
 
diff --git a/instructor/scanner-to-computer.html b/instructor/scanner-to-computer.html
index fa0d984..2ed01ec 100644
--- a/instructor/scanner-to-computer.html
+++ b/instructor/scanner-to-computer.html
@@ -268,7 +268,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>From the scanner to our computer</h1>
-        <p>Last updated on 2024-02-18 |
+        <p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/scanner-to-computer.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -395,7 +395,7 @@ <h3 class="callout-title">Converting DICOM to NIfTI<a class="anchor" aria-label=
 <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" 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="cb3">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -415,8 +415,10 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul></div>
+<ul><li>MRI can capture anatomical (structural), functional, or diffusion
+features.</li>
+<li>A number of file formats exist to store neuroimaging data.</li>
+</ul></div>
 </div>
 </div>
 </section></div> <!-- / div.lesson-content -->
@@ -477,7 +479,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/instructor/scanner-to-computer.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/instructor/scanner-to-computer.html",
   "dateCreated": "2024-02-28",
-  "dateModified": "2024-02-18",
+  "dateModified": "2024-02-28",
   "datePublished": "2024-02-28"
 }
 
diff --git a/key-points.html b/key-points.html
index d8e7094..a58e431 100644
--- a/key-points.html
+++ b/key-points.html
@@ -317,23 +317,37 @@ <h2 class="accordion-header" id="flush-headingTwelve">
 internet.</li>
 </ul></section><section id="scanner-to-computer"><h2 class="section-heading"><a href="scanner-to-computer.html">From the scanner to our computer</a></h2>
 <hr class="half-width">
-<ul><li>
-</li></ul></section><section id="anatomy-of-nifti"><h2 class="section-heading"><a href="anatomy-of-nifti.html">Anatomy of a NIfTI</a></h2>
+<ul>
+<li>MRI can capture anatomical (structural), functional, or diffusion
+features.</li>
+<li>A number of file formats exist to store neuroimaging data.</li>
+</ul></section><section id="anatomy-of-nifti"><h2 class="section-heading"><a href="anatomy-of-nifti.html">Anatomy of a NIfTI</a></h2>
 <hr class="half-width">
-<ul><li>
-</li></ul></section><section id="data-organization-bids"><h2 class="section-heading"><a href="data-organization-bids.html">Data organization with BIDS</a></h2>
+<ul>
+<li>NIfTI image contain a header, which describes the contents, and the
+data.</li>
+<li>The position of the NIfTI data in space is determined by the affine
+matrix.</li>
+<li>NIfTI data is a multi-dimensional array of values.</li>
+</ul></section><section id="data-organization-bids"><h2 class="section-heading"><a href="data-organization-bids.html">Data organization with BIDS</a></h2>
 <hr class="half-width">
-<ul><li>
-</li></ul></section><section id="open-mri-datasets"><h2 class="section-heading"><a href="open-mri-datasets.html">Exploring open MRI datasets</a></h2>
+<ul>
+<li>BIDS is an organizational principle for neuroimaging data.</li>
+<li>Converting a raw MRI dataset to a BIDS-compatible dataset
+streamlines data processing pipelines.</li>
+</ul></section><section id="open-mri-datasets"><h2 class="section-heading"><a href="open-mri-datasets.html">Exploring open MRI datasets</a></h2>
 <hr class="half-width">
 <ul>
-<li>BIDS is an organizational principle for neuroimaging data</li>
+<li>Public neuroimaging BIDS-compatible data repositories allow for
+pulling data easily.</li>
 <li>PyBIDS is a Python-based tool that allows for easy exploration of
-BIDS-formatted neuroimaging data</li>
+BIDS-formatted neuroimaging data.</li>
 </ul></section><section id="bids-derivatives"><h2 class="section-heading"><a href="bids-derivatives.html">BIDS derivatives</a></h2>
 <hr class="half-width">
-<ul><li>
-</li></ul></section>
+<ul>
+<li>BIDS Apps are containerized applications that run on BIDS-compatible
+datasets.</li>
+</ul></section>
 </div>
     </main>
 </div>
diff --git a/md5sum.txt b/md5sum.txt
index 60f244a..cad0dc2 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -4,11 +4,11 @@
 "config.yaml" "3ef23136064fd3627b556860c2d3040f" "site/built/config.yaml" "2024-02-18"
 "index.md" "78d2be0b54fef4ff7252449003cdc44f" "site/built/index.md" "2024-02-18"
 "episodes/before-we-start.md" "1e98940ca00552578a4e3b31e6064999" "site/built/before-we-start.md" "2024-02-18"
-"episodes/scanner-to-computer.md" "f902635173062e7de5b0a36f4d947dd4" "site/built/scanner-to-computer.md" "2024-02-18"
-"episodes/anatomy-of-nifti.md" "b305edc5b76d6aa7697c2046894c7a4e" "site/built/anatomy-of-nifti.md" "2024-02-18"
-"episodes/data-organization-bids.md" "cc4efbaa3f22d43a68ef8ebb375d937e" "site/built/data-organization-bids.md" "2024-02-28"
-"episodes/open-mri-datasets.md" "d1328f9baba7d4b77437580c9de91a33" "site/built/open-mri-datasets.md" "2024-02-18"
-"episodes/bids-derivatives.md" "3d6954c0364237d1adbd1b64b489e9b0" "site/built/bids-derivatives.md" "2024-02-28"
+"episodes/scanner-to-computer.md" "afb07321796dd3ade62eecf6b512b912" "site/built/scanner-to-computer.md" "2024-02-28"
+"episodes/anatomy-of-nifti.md" "ad2d3e0d3d72099be13a22a1e85a1cdc" "site/built/anatomy-of-nifti.md" "2024-02-28"
+"episodes/data-organization-bids.md" "0b88931c574033a6adad39c34fc340f9" "site/built/data-organization-bids.md" "2024-02-28"
+"episodes/open-mri-datasets.md" "9025db8aad6a5526209f349b43aa10c0" "site/built/open-mri-datasets.md" "2024-02-28"
+"episodes/bids-derivatives.md" "a28d2d7028745132a267f703f7317f98" "site/built/bids-derivatives.md" "2024-02-28"
 "instructors/instructor-notes.md" "a59fd3b94c07c3fe3218c054a0f03277" "site/built/instructor-notes.md" "2024-02-18"
 "learners/discuss.md" "2758e2e5abd231d82d25c6453d8abbc6" "site/built/discuss.md" "2024-02-18"
 "learners/reference.md" "28853696c21dd22dfb883e9c241e95fb" "site/built/reference.md" "2024-02-18"
diff --git a/open-mri-datasets.html b/open-mri-datasets.html
index 85d7dc2..c8a3eec 100644
--- a/open-mri-datasets.html
+++ b/open-mri-datasets.html
@@ -268,7 +268,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Exploring open MRI datasets</h1>
-        <p>Last updated on 2024-02-18 |
+        <p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/open-mri-datasets.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -912,9 +912,10 @@ <h3 class="code-label">PYTHON<i aria-hidden="true" data-feather="chevron-left"><
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>BIDS is an organizational principle for neuroimaging data</li>
+<ul><li>Public neuroimaging BIDS-compatible data repositories allow for
+pulling data easily.</li>
 <li>PyBIDS is a Python-based tool that allows for easy exploration of
-BIDS-formatted neuroimaging data</li>
+BIDS-formatted neuroimaging data.</li>
 </ul></div>
 </div>
 </div>
@@ -977,7 +978,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/open-mri-datasets.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/open-mri-datasets.html",
   "dateCreated": "2024-02-28",
-  "dateModified": "2024-02-18",
+  "dateModified": "2024-02-28",
   "datePublished": "2024-02-28"
 }
 
diff --git a/pkgdown.yml b/pkgdown.yml
index 3545974..744d296 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 3.1.11
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-02-28T23:28Z
+last_built: 2024-02-28T23:54Z
 
diff --git a/scanner-to-computer.html b/scanner-to-computer.html
index 7ef9dfe..444cda9 100644
--- a/scanner-to-computer.html
+++ b/scanner-to-computer.html
@@ -268,7 +268,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>From the scanner to our computer</h1>
-        <p>Last updated on 2024-02-18 |
+        <p>Last updated on 2024-02-28 |
         
         <a href="https://github.com/carpentries-incubator/SDC-BIDS-IntroMRI/edit/main/episodes/scanner-to-computer.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -393,7 +393,7 @@ <h3 class="callout-title">Converting DICOM to NIfTI<a class="anchor" aria-label=
 <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" 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="cb3">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -413,8 +413,10 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="#keypoints1"></a>
 </h3>
 <div class="callout-content">
-<ul><li>
-</li></ul></div>
+<ul><li>MRI can capture anatomical (structural), functional, or diffusion
+features.</li>
+<li>A number of file formats exist to store neuroimaging data.</li>
+</ul></div>
 </div>
 </div>
 </section></div> <!-- / div.lesson-content -->
@@ -475,7 +477,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/scanner-to-computer.html",
   "identifier": "https://carpentries-incubator.github.io/SDC-BIDS-IntroMRI/scanner-to-computer.html",
   "dateCreated": "2024-02-28",
-  "dateModified": "2024-02-18",
+  "dateModified": "2024-02-28",
   "datePublished": "2024-02-28"
 }