Update index.html

Author: scottaohara

index.html

@@ -14242,7 +14242,7 @@ <h4 id=att-popover>`popover`</h4>
     <tr>
       <th><a href="https://msdn.microsoft.com/en-us/library/dd373608%28v=VS.85%29.aspx">MSAA</a> + <a href="http://accessibility.linuxfoundation.org/a11yspecs/ia2/docs/html/">IAccessible2</a></th>
       <td>
-        <span class="type">Relations:</span> `IA2_RELATION_DETAILS_FOR` points to invoking element
+        <span class="type">Relations:</span> `IA2_RELATION_DETAILS_FOR` points to invoking element.  <a href="#att-popover-comments">See Comments</a>.
         <div class="objattrs">
           <span class="type">Object attributes:</span>
           <code>ispopup: &lt;value></code> where <code>&lt;value></code> reflects the <a data-cite="html/popover.html#the-popover-attribute">popover</a> type.