diff --git a/index.html b/index.html
index a4b12b67..daf876c3 100644
--- a/index.html
+++ b/index.html
@@ -2792,6 +2792,7 @@ <h4 id=el-hr>`hr`</h4>
     <tr>
       <th>Comments</th>
       <td>
+        <p>If an `hr` element is a descendant of a `select` element, user agents MAY expose the element with a role of `none`.</p>
       </td>
     </tr>
   </tbody>