diff --git a/src/core/js/webcaosdb.js b/src/core/js/webcaosdb.js
index f2e5e8ec4a201d1d46961b80c031c74d4ac24101..b85a007b7b06859d00dc220abf4fb3a9abe8b20a 100644
--- a/src/core/js/webcaosdb.js
+++ b/src/core/js/webcaosdb.js
@@ -306,6 +306,14 @@ this.navbar = new function () {
         }
     }
 
+    /**
+     * Hide the given element for certain roles
+     *
+     * @param {string|object} name - The HTML element either as the result
+     *     of a jquery or identified by a jquery selector
+     * @param {array} roles - list of roles for which the given element is
+     *     hidden.
+     */
     this.hideElementForRoles = function (name, roles) {
         var elt = name;
         if (typeof (name) === "string") {