diff --git a/xCAT-client/pods/man1/pping.1.pod b/xCAT-client/pods/man1/pping.1.pod
index 38b34ecc5..ac7ef8055 100644
--- a/xCAT-client/pods/man1/pping.1.pod
+++ b/xCAT-client/pods/man1/pping.1.pod
@@ -5,7 +5,7 @@ B<pping> - parallel ping the nodes.
 
 =head1 SYNOPSIS
 
-B<pping> [B<-i>|B<--interface> I<interfaces>] I<noderange>
+B<pping> [B<-i>|B<--interface> I<interfaces>] [B<-f>|B<--use_fping>] I<noderange>
 
 B<pping> [B<-h>|B<--help>]
 
@@ -32,6 +32,10 @@ the ib2 interface on node3 has a hostname of node3-ib2.
 
 If more than one interface is specified, each interface will be combined with the nodenames as described above and will be pinged in turn.
 
+=item B<-f>|B<--use_fping>
+
+Use fping instead of nmap
+
 =item B<-h>|B<--help>
 
 Show usage information.