Fix list structure for required owners in suggestion (#1293)

Author: eps1lon

index.html

@@ -8465,8 +8465,10 @@ <h5>Presentational Roles Conflict Resolution</h5>
 <tr>
 <th class="role-mustcontain-head" scope="row">Required Owned Elements:</th>
 <td class="role-mustcontain">
+<ul>
 <li><rref>insertion</rref></li>
 <li><rref>deletion</rref></li>
+</ul>
 </td>
 </tr>
 <tr>