diff --git a/xCAT-server/share/xcat/install/rh/service.rhels6.x86_64.tmpl b/xCAT-server/share/xcat/install/rh/service.rhels6.x86_64.tmpl
index 5b8b12d25..6954cac15 100644
--- a/xCAT-server/share/xcat/install/rh/service.rhels6.x86_64.tmpl
+++ b/xCAT-server/share/xcat/install/rh/service.rhels6.x86_64.tmpl
@@ -116,7 +116,7 @@ skipx
 #
 # perl -e 'print crypt("blah","Xa") . "\n";'p
 # openssl passwd -apr1 -salt xxxxxxxx password
-# 
+#
 # where "blah" is your root password.
 #
 #rootpw --iscrypted XaLGAVe1C41x2
@@ -124,7 +124,7 @@ skipx
 rootpw --iscrypted #CRYPT:passwd:key=system,username=root:password#
 
 #
-# NIS setup: auth --enablenis --nisdomain sensenet 
+# NIS setup: auth --enablenis --nisdomain sensenet
 # --nisserver neptune --useshadow --enablemd5
 #
 # OR