diff --git a/xCAT-client/pods/man1/mkdsklsnode.1.pod b/xCAT-client/pods/man1/mkdsklsnode.1.pod
index 7c1aa4082..fe94ae7ae 100644
--- a/xCAT-client/pods/man1/mkdsklsnode.1.pod
+++ b/xCAT-client/pods/man1/mkdsklsnode.1.pod
@@ -6,7 +6,7 @@ B<mkdsklsnode> - Use this xCAT command to define and initialize AIX/NIM diskless
 
 B<mkdsklsnode [-h|--help ]>
 
-B<mkdsklsnode [-V|--verbose] [-f|--force] [-n|--newname] [-i osimage_name] [-l location] [-p|--primarySN] [-b|--backupSN] noderange [attr=val [attr=val ...]]>
+B<mkdsklsnode [-V|--verbose] [-f|--force] [-n|--newname] [-i osimage_name] [-l location] [-p|--primarySN] [-b|--backupSN] [-S|--setuphanfs] noderange [attr=val [attr=val ...]]>
 
 =head1 DESCRIPTION
 
@@ -110,6 +110,10 @@ Create a new NIM machine object name for the xCAT node. Use the naming conventio
 
 When using backup service nodes only update the primary.  The default is to update both the primary and backup service nodes.
 
+=item B<-S|--setuphanfs>
+
+Setup NFSv4 replication between the primary service nodes and backup service nodes to provide high availability NFS for the compute nodes. This option only exports the /install directory with NFSv4 replication settings, the data synchronization between the primary service nodes and backup service nodes needs to be taken care of through some mechanism.
+
 =item B<noderange>
 
 A set of comma delimited node names and/or group names. See the "noderange" man page for details on additional supported formats.