class on correct element

Author: wouldgo

lib/angular-tooltips.js

@@ -591,9 +591,8 @@
       $timeout(function doLater() {
 
         onTooltipShow();
-        element.find('tip')
-          .removeClass('_hidden')
-          .addClass('_ready');
+        element.find('tip').removeClass('_hidden');
+        element.addClass('_ready');
       });
 
       scope.$on('$destroy', function unregisterListeners() {