missing whitespace added

frontend-js/src/main/js/gui/leftPanel/OverlayPanel.js

@@ -384,7 +384,7 @@ OverlayPanel.prototype.refresh = function (showDefault) {
     var addButton = self.getControlElement(PanelControlElementType.OVERLAY_ADD_OVERLAY_BUTTON);
     var tableElement = self.getControlElement(PanelControlElementType.OVERLAY_CUSTOM_OVERLAY_TABLE);
     if (user.getLogin() === "anonymous") {
-      title.innerHTML = 'YOU ARE NOT LOGGED IN. PLEASE, <a href="#">LOG IN</a>'
+      title.innerHTML = 'YOU ARE NOT LOGGED IN. PLEASE, <a href="#">LOG IN</a> '
         + 'TO UPLOAD AND VIEW CUSTOM OVERLAYS<br/><center><button>LOGIN</button></center>';
       var openLoginDialog = function () {
         return self.getParent().getLoginDialog().open();