diff --git a/lib/client/operation.js b/lib/client/operation.js
index c914582f..cd562457 100644
--- a/lib/client/operation.js
+++ b/lib/client/operation.js
@@ -1,6 +1,6 @@
 /* global CloudCmd */
 /* global Util */
-/* global DOM */ 
+/* global DOM */
 /* global CloudFunc */
 /* global rendy */
 /* global spero */