Add referTo per default to vc list

Change-Id: I7badcf7ba15036a8d54991959d28718016ae575c
diff --git a/dev/js/src/vc/docgroupref.js b/dev/js/src/vc/docgroupref.js
index 43bb0ca..f1c1851 100644
--- a/dev/js/src/vc/docgroupref.js
+++ b/dev/js/src/vc/docgroupref.js
@@ -61,8 +61,8 @@
       };
 
       var refTitle = document.createElement('span');
-      refTitle.classList.add('key','fixed');
-      refTitle.addT('@referTo');
+      refTitle.classList.add('key','fixed', 'ref');
+      refTitle.addT('referTo');
 
       // Added value operator
       this._refE = document.createElement('span');