diff --git a/xCAT-OpenStack/debian/changelog b/xCAT-OpenStack/debian/changelog
index 0c268ac0f..64bc8f17f 100644
--- a/xCAT-OpenStack/debian/changelog
+++ b/xCAT-OpenStack/debian/changelog
@@ -1,5 +1,5 @@
 xcat-openstack (2.9) unstable; urgency=low
 
-  * Initial release 
+  * Initial release
 
  -- root <root@unknown>  Mon, 01 Jul 2013 15:04:41 +0800