Address comments

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@@ -57105,8 +57105,9 @@ interface <dfn>HTMLDetailsElement</dfn> : <span>HTMLElement</span> {
     <p>While <var>currentNode</var> has a parent node:</p>
 
     <ol>
-     <li><p>If <var>currentNode</var> is slotted into the second slot of a <code>details</code>
-     element:</p>
+     <li>
+      <p>If <var>currentNode</var> is slotted into the second slot of a <code>details</code>
+      element:</p>
 
       <ol>
        <li><p>Set <var>currentNode</var> to the <code>details</code> element which
@@ -76168,22 +76169,23 @@ body { display:none }
   data-x="fip-active-match">active match</span> using the <span>find-in-page interface</span>.</p>
 
   <p>When find-in-page begins searching for matches, all <code>details</code> elements in the page
-  which are not <code data-x="attr-details-open">open</code> should have their second slot be added
-  to the rendering without modifying the <code data-x="attr-details-open">open</code> attribute.
-  After find-in-page finishes searching for matches, those <code>details</code> elements should have
-  their second slot be removed from the rendering again. This entire process must happen
+  which do not have their <code data-x="attr-details-open">open</code> attribute set should have
+  their second slot act as if it is added to the rendering without modifying the <code
+  data-x="attr-details-open">open</code> attribute in order to make find-in-page able to search
+  through it. After find-in-page finishes searching for matches, those <code>details</code> elements
+  should have their second slot be removed from the rendering again. This entire process must happen
   synchronously (and so is not observable to users or to author code).</p>
 
   <p>When find-in-page chooses a new <span data-x="fip-active-match">active match</span>, perform
   the following steps:</p>
 
   <ol>
-    <li><p>Let <var>node</var> be the first node in the <span data-x="fip-active-match">active
-    match</span>.</p></li>
+   <li><p>Let <var>node</var> be the first node in the <span data-x="fip-active-match">active
+   match</span>.</p></li>
 
-    <li><p><span>Queue a global task</span> on the <span>user interaction task source</span> given
-    <var>node</var>'s <span>relevant global object</span> to run the <span>ancestor details
-    revealing algorithm</span> on <var>node</var>.</p></li>
+   <li><p><span>Queue a global task</span> on the <span>user interaction task source</span> given
+   <var>node</var>'s <span>relevant global object</span> to run the <span>ancestor details
+   revealing algorithm</span> on <var>node</var>.</p></li>
   </ol>
 
   <p class="XXX"><a href="https://github.com/whatwg/html/issues/3539">Issue #3539</a> tracks