Add link for HAWQ Extension Framework (PXF) Java Doc
diff --git a/index.html b/index.html
index 874b1fb..03b85d7 100644
--- a/index.html
+++ b/index.html
@@ -233,6 +233,7 @@
             <ul>
               <li>&mdash; <a href="https://cwiki.apache.org/confluence/display/HAWQ">HAWQ Wiki</a></li>
               <li>&mdash; <a href="http://hdb.docs.pivotal.io/index.html">HAWQ Docs</a></li>
+              <li>&mdash; <a href="http://hawq.apache.org/docs/pxf/javadoc">HAWQ Extension Framework API (Java Doc)</a></li>
             </ul>
           </div>
         </div>