diff --git a/source b/source
index 52908fef3c6..c619e3e3118 100644
--- a/source
+++ b/source
@@ -64215,21 +64215,21 @@ interface <dfn interface>HTMLTemplateElement</dfn> : <span>HTMLElement</span> {
   <code>template</code>'s <span>template contents</span>, if the <span>template contents</span> is
   not a <code>ShadowRoot</code> node; otherwise null.</p>
 
-  <p>The <dfn><code data-x="dom-template-shadowrootmode">shadowRootMode</code></dfn> IDL attribute
+  <p>The <dfn attribute for="HTMLTemplateElement"><code data-x="dom-template-shadowrootmode">shadowRootMode</code></dfn> IDL attribute
   must <span>reflect</span> the <code data-x="attr-template-shadowrootmode">shadowrootmode</code>
   content attribute, <span>limited to only known values</span>.</p>
 
-  <p>The <dfn><code
+  <p>The <dfn attribute for="HTMLTemplateElement"><code
   data-x="dom-template-shadowrootdelegatesfocus">shadowRootDelegatesFocus</code></dfn> IDL attribute
   must <span>reflect</span> the <code
   data-x="attr-template-shadowrootdelegatesfocus">shadowrootdelegatesfocus</code> content
   attribute.</p>
 
-  <p>The <dfn><code data-x="dom-template-shadowrootclonable">shadowRootClonable</code></dfn> IDL
+  <p>The <dfn attribute for="HTMLTemplateElement"><code data-x="dom-template-shadowrootclonable">shadowRootClonable</code></dfn> IDL
   attribute must <span>reflect</span> the <code
   data-x="attr-template-shadowrootclonable">shadowrootclonable</code> content attribute.</p>
 
-  <p>The <dfn><code data-x="dom-template-shadowRootSerializable">shadowRootSerializable</code></dfn>
+  <p>The <dfn attribute for="HTMLTemplateElement"><code data-x="dom-template-shadowRootSerializable">shadowRootSerializable</code></dfn>
   IDL attribute must <span>reflect</span> the <code
   data-x="attr-template-shadowrootserializable">shadowrootserializable</code> content attribute.</p>
 
@@ -66468,7 +66468,7 @@ worker.postMessage(offscreenCanvas, [offscreenCanvas]);</code></pre>
   something according to a CSS grammar">parsing</span> "<code data-x="">0px</code>" as a CSS
   <span>&lt;length></span>.</p>
 
-  <p>The <dfn data-x="dom-context-2d-letterSpacing"><code>letterSpacing</code></dfn> getter steps
+  <p>The <dfn attribute for="CanvasTextDrawingStyles" data-x="dom-context-2d-letterSpacing"><code>letterSpacing</code></dfn> getter steps
   are to return the <span data-x="serializing a CSS value">serialized form</span> of
   <span>this</span>'s <span data-x="concept-CanvasTextDrawingStyles-letter-spacing">letter
   spacing</span>.</p>
@@ -66486,7 +66486,7 @@ worker.postMessage(offscreenCanvas, [offscreenCanvas]);</code></pre>
    <var>parsed</var>.</p></li>
   </ol>
 
-  <p>The <dfn data-x="dom-context-2d-wordSpacing"><code>wordSpacing</code></dfn> getter steps are
+  <p>The <dfn attribute for="CanvasTextDrawingStyles" data-x="dom-context-2d-wordSpacing"><code>wordSpacing</code></dfn> getter steps are
   to return the <span data-x="serializing a CSS value">serialized form</span> of
   <span>this</span>'s <span data-x="concept-CanvasTextDrawingStyles-word-spacing">word
   spacing</span>.</p>
@@ -74012,7 +74012,7 @@ interface <dfn interface>CustomStateSet</dfn> {
   setlike&lt;DOMString>;
 };</code></pre>
 
-   <p>The <dfn for="HTMLElement"><code data-x="dom-ElementInternals-states">states</code></dfn>
+   <p>The <dfn attribute for="HTMLElement"><code data-x="dom-ElementInternals-states">states</code></dfn>
    getter steps are to return <span>this</span>'s <span data-x="internals-target">target
    element</span>'s <span>states set</span>.</p>
   </div>
@@ -78965,16 +78965,16 @@ interface <dfn interface>VisibilityStateEntry</dfn> : <span>PerformanceEntry</sp
   "<code data-x="">hidden</code>" <dfn
   data-x="VisibilityStateEntry-state">visibility state</dfn>.</p>
 
-  <p>The <dfn data-x="VisibilityStateEntry-name"><code>name</code></dfn> getter steps are to return
+  <p>The <dfn attribute for="VisibilityStateEntry" data-x="VisibilityStateEntry-name"><code>name</code></dfn> getter steps are to return
   <span>this</span>'s <span data-x="VisibilityStateEntry-state">visibility state</span>.</p>
 
-  <p>The <dfn data-x="VisibilityStateEntry-entryType"><code>entryType</code></dfn> getter steps are to return
+  <p>The <dfn attribute for="VisibilityStateEntry" data-x="VisibilityStateEntry-entryType"><code>entryType</code></dfn> getter steps are to return
   "<code data-x="">visibility-state</code>".</p>
 
-  <p>The <dfn data-x="VisibilityStateEntry-startTime"><code>startTime</code></dfn> getter steps are to return
+  <p>The <dfn attribute for="VisibilityStateEntry" data-x="VisibilityStateEntry-startTime"><code>startTime</code></dfn> getter steps are to return
   <span>this</span>'s <span data-x="VisibilityStateEntry-timestamp">timestamp</span>.</p>
 
-  <p>The <dfn data-x="VisibilityStateEntry-duration"><code>duration</code></dfn> getter steps are to return
+  <p>The <dfn attribute for="VisibilityStateEntry" data-x="VisibilityStateEntry-duration"><code>duration</code></dfn> getter steps are to return
   zero.</p>
 
 
@@ -79110,7 +79110,7 @@ interface <dfn interface>VisibilityStateEntry</dfn> : <span>PerformanceEntry</sp
    inert sections are not obviously inert.</p>
   </div>
 
-  <p>The <dfn data-x="dom-inert"><code>inert</code></dfn> IDL attribute must <span>reflect</span>
+  <p>The <dfn attribute for="HTMLElement" data-x="dom-inert"><code>inert</code></dfn> IDL attribute must <span>reflect</span>
   the content attribute of the same name.</p>
 
   <h3>Tracking <dfn export>user activation</dfn></h3>