diff --git a/index.html b/index.html
index 489ac7c..69fe203 100644
--- a/index.html
+++ b/index.html
@@ -14270,7 +14270,8 @@ <h4 id=att-popover>`popover`</h4>
     <tr>
       <th><a href="https://developer.apple.com/reference/appkit/nsaccessibility">AX</a></th>
       <td>
-        ???
+        Not mapped
+        <!-- https://bugs.webkit.org/show_bug.cgi?id=271485 -->
       </td>
     </tr>
     <tr>