diff --git a/source b/source
index 9e11deef691..f3023a2622f 100644
--- a/source
+++ b/source
@@ -82457,16 +82457,8 @@ dictionary <dfn dictionary>DragEventInit</dfn> : <span>MouseEventInit</span> {
    popover</span> given <var>newPopover</var>'s parent node within the <span>flat
    tree</span>.</p></li>
 
-   <li>
-    <p>For each <span data-x="concept-button">button</span> <var>invoker</var> that is a
-    <span>descendant</span> of <var>newPopover</var>'s <span>root</span>, in <span>tree
-    order</span>:</p>
-
-    <ol>
-     <li><p>If <var>invoker</var>'s <span>popover target element</span> is <var>newPopover</var>,
-     then run <var>checkAncestor</var> given <var>invoker</var>.</p></li>
-    </ol>
-   </li>
+   <li><p>Run <var>checkAncestor</var> given <var>newPopover</var>'s <span>popover
+   invoker</span>.</p></li>
 
    <li><p>return <var>topmostPopoverAncestor</var>.</p></li>
   </ol>