diff --git a/index.html b/index.html
index 2f6f0d3..a204ebe 100644
--- a/index.html
+++ b/index.html
@@ -1136,6 +1136,7 @@ <h4 id=el-body>`body`</h4>
     <tr>
       <th>Comments</th>
       <td>
+        User agents MUST ignore the `aria-hidden` attribute if specified on the `body` element.
       </td>
     </tr>
   </tbody>
@@ -3082,6 +3083,7 @@ <h4 id=el-html>`html`</h4>
     <tr>
       <th>Comments</th>
       <td>
+        User agents MUST ignore the `aria-hidden` attribute if specified on the `html` element.
       </td>
     </tr>
   </tbody>