diff --git a/legacy/eio/doc/head.html b/legacy/eio/doc/head.html
index 11f22d8602..b0f0a2c286 100644
--- a/legacy/eio/doc/head.html
+++ b/legacy/eio/doc/head.html
@@ -47,8 +47,12 @@
         <div class="submenu">
             <ul class="current">
                 <li><a href="pages.html">Tutorials</a></li>
-                <li><a href="group__Eio__Helper.html">EIO Helper API</a></li>
-                <li><a href="group__Eio__Group.html">EIO Reference API</a></li>
+                <li><a href="group__Eio__Helper.html">Helper API</a></li>
+                <li><a href="group__Eio__Monitor.html">monitoring API</a></li>
+                <li><a href="group__Eio__Xattr.html">eXtended attribute API</a></li>
+                <li><a href="group__Eio__Eet.html">EET API</a></li>
+                <li><a href="group__Eio__Map.html">reading file API</a></li>
+                <li><a href="group__Eio__Group.html">Reference API</a></li>
 	        <li class="current"><a  href="index.html">Main Page</a></li>
             </ul>
         </div>