diff --git a/dom.bs b/dom.bs
index 798eb0a8b..c66d12ac0 100644
--- a/dom.bs
+++ b/dom.bs
@@ -4611,6 +4611,9 @@ dom-Range-extractContents, dom-Range-cloneContents -->
    <dd><p>Do nothing.
   </dl>
 
+ <li><p>If <var>node</var> is a <a for=/>document</a>, then set <var>document</var> to
+ <var>copy</var>.
+
  <li><p>Set <var>copy</var>'s <a for=Node>node document</a> to <var>document</var>.
 
  <li><p>Run any <a>cloning steps</a> defined for <var>node</var> in