Introduce vc fragments for corpusByMatch

Change-Id: I0376bc646555181efa76608fe80f63c12aec80e0
diff --git a/dev/js/src/vc.js b/dev/js/src/vc.js
index bed434f..d2029d0 100644
--- a/dev/js/src/vc.js
+++ b/dev/js/src/vc.js
@@ -296,7 +296,7 @@
     },
     
     /**
-     * Get the element associated with the virtual collection
+     * Get the element associated with the virtual corpus
      */
     element : function() {
       if (this._element !== undefined) {