diff --git a/xCAT-server/lib/xcat/plugins/xCATWorld.pm b/xCAT-server/lib/xcat/plugins/xCATWorld.pm
index 57bee6e9b..bb90b99ce 100644
--- a/xCAT-server/lib/xcat/plugins/xCATWorld.pm
+++ b/xCAT-server/lib/xcat/plugins/xCATWorld.pm
@@ -43,7 +43,7 @@ sub handled_commands
 =head3  preprocess_request
 
   Check and setup for hierarchy , if your command must run
-  on service nodes. Otherwise preprocess_request not necessary   
+  on service nodes. Otherwise preprocess_request not necessary
 
 =cut