Make example match address's definition

Fixes #2693.

source

@@ -2389,12 +2389,13 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
 
     <p class="example">For example, it is not conforming to use an <code>address</code> element for
     arbitrary contact information; that element can only be used for marking up contact information
-    for the author of the document or section. However, since an authoring tool is likely unable to
-    determine the difference, an authoring tool is exempt from that requirement. This does not mean,
-    though, that authoring tools can use <code>address</code> elements for any block of italics text
-    (for instance); it just means that the authoring tool doesn't have to verify that when the user
-    uses a tool for inserting contact information for a section, that the user really is doing that
-    and not inserting something else instead.</p>
+    for its nearest <code>article</code> or <code>body</code> element ancestor. However, since an
+    authoring tool is likely unable to determine the difference, an authoring tool is exempt from
+    that requirement. This does not mean, though, that authoring tools can use <code>address</code>
+    elements for any block of italics text (for instance); it just means that the authoring tool
+    doesn't have to verify that when the user uses a tool for inserting contact information for an
+    <code>article</code> element, that the user really is doing that and not inserting something
+    else instead.</p>
 
     <p class="note">In terms of conformance checking, an editor has to output documents that conform
     to the same extent that a conformance checker will verify.</p>