diff --git a/source b/source
index 8f5b6621645..a72104f581f 100644
--- a/source
+++ b/source
@@ -3789,7 +3789,12 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
      <li><dfn data-x-href="https://drafts.csswg.org/css-display/#inline-formatting-context">inline formatting context</dfn></li>
      <li><dfn data-x-href="https://drafts.csswg.org/css-display/#replaced-element">replaced element</dfn></li>
      <li><dfn data-x-href="https://drafts.csswg.org/css-display/#css-box">CSS box</dfn></li>
-     <li>The <dfn data-x-href="https://drafts.csswg.org/css-display-4/#reading-flow">'reading-flow'</dfn> property</li>
+     <li>The <dfn data-x-href="https://drafts.csswg.org/css-display-4/#valdef-reading-flow-flex-visual">'flex-visual'</dfn>,
+             <dfn data-x-href="https://drafts.csswg.org/css-display-4/#valdef-reading-flow-flex-flow">'flex-flow'</dfn>,
+             <dfn data-x-href="https://drafts.csswg.org/css-display-4/#valdef-reading-flow-grid-rows">'grid-rows'</dfn>,
+             <dfn data-x-href="https://drafts.csswg.org/css-display-4/#valdef-reading-flow-grid-columns">'grid-columns'</dfn>, and
+             <dfn data-x-href="https://drafts.csswg.org/css-display-4/#valdef-reading-flow-grid-order">'grid-order'</dfn> values of the
+             <dfn data-x-href="https://drafts.csswg.org/css-display-4/#propdef-reading-flow">'reading-flow'</dfn> property</li>
      <li><dfn data-x-href="https://drafts.csswg.org/css-display-4/#order-modified-document-order">order-modified document order</dfn></li>
     </ul>
 
@@ -79683,23 +79688,25 @@ dictionary <dfn dictionary>ToggleEventInit</dfn> : <span>EventInit</span> {
 
   <div w-nodev>
 
-  <h4> The reading flow </h4>
+  <h4>The reading flow</h4>
 
-  <p>A <dfn>reading flow container</dfn> is either:</p>
+  <p>A <dfn>reading flow container</dfn> is either: <ref>CSSDISPLAY</ref></p>
 
   <ul>
     <li><p>a <dfn data-x-href="https://drafts.csswg.org/css-flexbox-1/#flex-container">flex
-    container</dfn> that has the <span>'reading-flow'</span> CSS property set to 'flex-visual' or
-    'flex-flow'.</p></li>
+    container</dfn> that has the <span>'reading-flow'</span> CSS property set to
+    <span>'flex-visual'</span> or <span>'flex-flow'</span>.</p></li>
+
     <li><p>a <dfn data-x-href="https://drafts.csswg.org/css-grid-2/#grid-container">grid
-    container</dfn> that has the <span>'reading-flow'</span> CSS property set to 'grid-rows',
-    'grid-columns' or 'grid-order'.</p></li>
+    container</dfn> that has the <span>'reading-flow'</span> CSS property set to
+    <span>'grid-rows'</span>, <span>'grid-columns'</span> or <span>'grid-order'</span>.</p></li>
   </ul>
 
   <p>A <dfn>reading flow scope owner</dfn> is either:</p>
 
   <ul>
     <li><p>a <span>reading flow container</span>.</p></li>
+
     <li><p>an element <span>delegating its rendering to its children</span> whose <span>parent
     element</span> is a <span>reading flow container</span>.</p></li>
   </ul>
@@ -79724,27 +79731,31 @@ dictionary <dfn dictionary>ToggleEventInit</dfn> : <span>EventInit</span> {
   determined by the scope owner's computed value of the <span>'reading-flow'</span> property:
 
   <ul>
-    <li><p>For 'flex-visual': the reading flow should be defined by sorting the <span
+    <li><p>For <span>'flex-visual'</span>: the reading flow should be defined by sorting the <span
     data-x="participating-reading-flow-item">participating reading flow items</span> in the visual
     reading flow order and taking the <span>writing mode</span> into account, followed by <span
     data-x="non-participating-reading-flow-item">non participating reading flow
     items</span>.</p></li>
-    <li><p>For 'flex-flow': the reading flow should be defined by sorting the <span
-    data-x="participating-reading-flow-item">participating reading flow items</span> using the <dfn
-    data-x-href="https://drafts.csswg.org/css-flexbox-1/#propdef-flex-flow">'flex-flow'</dfn>
-    direction, followed by <span data-x="non-participating-reading-flow-item">non participating
-    reading flow items</span>.</p></li>
-    <li><p>For 'grid-rows': the reading flow should be defined by sorting the <span
+
+    <li><p>For <span>'flex-flow'</span>: the reading flow should be defined by sorting the <span
+    data-x="participating-reading-flow-item">participating reading flow items</span> using the
+    <span>'flex-flow'</span> direction, followed by <span
+    data-x="non-participating-reading-flow-item">non participating reading flow
+    items</span>.</p></li>
+
+    <li><p>For <span>'grid-rows'</span>: the reading flow should be defined by sorting the <span
     data-x="participating-reading-flow-item">participating reading flow items</span> first by their
     displayed row order, and then by their column order, taking the <span>writing mode</span> into
     account, followed by <span data-x="non-participating-reading-flow-item">non participating
     reading flow items</span>.</p></li>
-    <li><p>For 'grid-columns': the reading flow should be defined by sorting the <span
+
+    <li><p>For <span>'grid-columns'</span>: the reading flow should be defined by sorting the <span
     data-x="participating-reading-flow-item">participating reading flow items</span> first by their
     displayed column order, and then by their row order, taking the <span>writing mode</span> into
     account, followed by <span data-x="non-participating-reading-flow-item">non participating
     reading flow items</span>.</p></li>
-    <li><p>For 'grid-order': the reading flow should be defined by sorting the <span
+
+    <li><p>For <span>'grid-order'</span>: the reading flow should be defined by sorting the <span
     data-x="participating-reading-flow-item">participating reading flow items</span> in
     <span>order-modified document order</span>, followed by <span
     data-x="non-participating-reading-flow-item">non participating reading flow