[css-transitions-2] Link to issue that was the one normative change since last WD.

Author: dbaron

css-transitions-2/Overview.bs

@@ -646,7 +646,7 @@ No new security considerations have been reported on this specification.
 <h3 id="changes-20230905">Changes since First Public Working Draft (5 September 2023)</h3>
 
 <ul>
-  <li>Define the order of {{transitioncancel}} events.</li>
+  <li>Define the order of {{transitioncancel}} events.  (See <#11064>.)</li>
 </ul>
 
 <h3 id="changes-fpwd">Changes since Level 1, in First Public Working Draft</h3>