diff --git a/xCAT-client/pods/man1/nodediscoverdef.1.pod b/xCAT-client/pods/man1/nodediscoverdef.1.pod
index 162484dce..e004c391c 100644
--- a/xCAT-client/pods/man1/nodediscoverdef.1.pod
+++ b/xCAT-client/pods/man1/nodediscoverdef.1.pod
@@ -1,7 +1,7 @@
 =head1 NAME
 
-B<nodediscoverdef> - Define the undefined discovery request to a predefined xCAT node, 
-or clean up the discovery entries from the discoverydata table 
+B<nodediscoverdef> - Define the undefined discovery request to a predefined xCAT node,
+or clean up the discovery entries from the discoverydata table
 (which can be displayed by nodediscoverls command)
 
 =head1 SYNOPSIS
@@ -21,7 +21,7 @@ xCAT node. The discovery entry can be displayed by B<nodediscoverls> command.
 
 The options B<-u> and B<-n> have to be used together to define a discovery request to a node.
 
-The B<nodediscoverdef> command also can be used to clean up the discovery entries from the 
+The B<nodediscoverdef> command also can be used to clean up the discovery entries from the
 discoverydata table.
 
 The option B<-r> is used to remove discovery entries. If working with B<-u>, the specific entry