diff --git a/www/common/sframe-common.js b/www/common/sframe-common.js
index ad8d6f77e..cf73ce52c 100644
--- a/www/common/sframe-common.js
+++ b/www/common/sframe-common.js
@@ -630,6 +630,7 @@ define([
             });
 
             ctx.sframeChan.on('EV_NEW_VERSION', function () {
+                // XXX lock the UI and do the same in non-framework apps
                 var $err = $('<div>').append(Messages.newVersionError);
                 $err.find('a').click(function () {
                     funcs.gotoURL();