diff --git a/source b/source
index 5db81838c48..2b6290022ac 100644
--- a/source
+++ b/source
@@ -9547,6 +9547,7 @@ partial interface <dfn id="document" data-lt="">Document</dfn> {
   and with values from <code data-x="attr-id">id</code> attributes coming before values from <code
   data-x="">name</code> attributes when the same element contributes both:</p>
 
+  <!-- KEEP THIS LIST IN SYNC WITH "NAMED ELEMENTS" DEFINITION BELOW -->
   <ul>
    <li><p>the value of the <code data-x="">name</code> content attribute for all
    <span>exposed</span> <code>embed</code>, <code>form</code>, <code>iframe</code>,
@@ -9616,8 +9617,8 @@ partial interface <dfn id="document" data-lt="">Document</dfn> {
 
   <p><dfn data-x="dom-document-nameditem-filter">Named elements</dfn> with the name <var>name</var>, for the purposes of the above algorithm, are those that are either:</p>
 
+  <!-- KEEP THIS LIST IN SYNC WITH SUPPORTED PROPERTY VALUES ABOVE -->
   <ul>
-
    <li><span>Exposed</span> <code>embed</code>, <code>form</code>, <code>iframe</code>,
    <code>img</code>, or <span>exposed</span> <code>object</code> elements that have a <code
    data-x="">name</code> content attribute whose value is <var>name</var>, or</li>
@@ -9628,7 +9629,6 @@ partial interface <dfn id="document" data-lt="">Document</dfn> {
    <li><code>img</code> elements that have an <code data-x="attr-id">id</code> content attribute
    whose value is <var>name</var>, and that have a non-empty <code data-x="">name</code>
    content attribute present also.</li>
-
   </ul>
 
   <p>An <code>embed</code> or <code>object</code> element is said to be <dfn>exposed</dfn> if it has
@@ -78575,6 +78575,7 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
   <var>window</var> at any moment consist of the following, in <span>tree order</span> according to
   the element that contributed them, ignoring later duplicates:</p>
 
+  <!-- KEEP THIS LIST IN SYNC WITH "NAMED OBJECTS" BELOW -->
   <ul>
    <li><p><var>window</var>'s <span>document-tree child browsing context name property
    set</span>;</p></li>
@@ -78639,21 +78640,19 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
   <p><dfn data-x="dom-window-nameditem-filter">Named objects</dfn> with the name <var>name</var>,
   for the purposes of the above algorithm, consist of the following:</p>
 
+  <!-- KEEP THIS LIST IN SYNC WITH SUPPORTED PROPERTY NAMES ABOVE -->
   <ul>
-
    <li><p><span data-x="document-tree child browsing context">document-tree child browsing
    contexts</span> of the <span>active document</span> whose name is <var>name</var>;</p></li>
 
-   <li><p><code>a</code>, <code>area</code>, <code>embed</code>, <code>form</code>,
-   <code>frameset</code>, <code>img</code>, or <code>object</code> elements that have a <code
-   data-x="">name</code> content attribute whose value is <var>name</var> and are <span>in a
-   document tree</span> with the <span>active document</span> as their <span>root</span>;
-   and</p></li>
+   <li><p><code>embed</code>, <code>form</code>, <code>frameset</code>, <code>img</code>, or
+   <code>object</code> elements that have a <code data-x="">name</code> content attribute whose
+   value is <var>name</var> and are <span>in a document tree</span> with the <span>active
+   document</span> as their <span>root</span>; and</p></li>
 
    <li><p><span>HTML elements</span> that have an <code data-x="attr-id">id</code> content attribute
    whose value is <var>name</var> and are <span>in a document tree</span> with the <span>active
    document</span> as their <span>root</span>.</p></li>
-
   </ul>
 
   </div>