fix link

Author: michael-n-cooper

examples/menu-button/menu-button-links.html

@@ -308,7 +308,7 @@ <h3 id="rps2_label">Menu</h3>
               <td>
                 <ul>
                   <li>Hides the implied <code>listitem</code> role of the <code>li</code> element from assistive technologies.</li>
-                  <li>For more details, see <a href="../../presentation_role">Intentionally Hiding Semantics with the <code>presentation</code> Role</a>.</li> 
+                  <li>For more details, see <a href="../../#presentation_role">Intentionally Hiding Semantics with the <code>presentation</code> Role</a>.</li> 
                 </ul>
               </td>
             </tr>