diff --git a/xCAT-client/pods/man1/getmacs.1.pod b/xCAT-client/pods/man1/getmacs.1.pod
index b7b516f43..8491fdb68 100644
--- a/xCAT-client/pods/man1/getmacs.1.pod
+++ b/xCAT-client/pods/man1/getmacs.1.pod
@@ -8,7 +8,7 @@ I<getmacs [-h| --help]>
 
 I<getmacs [-v| --version]>
 
-I<getmacs [-V| --verbose] noderange> [-d][-S server -G gateway -C client] 
+I<getmacs [-V| --verbose] noderange> [-f][-d][-S server -G gateway -C client] 
 
 
 =head1 DESCRIPTION
@@ -22,6 +22,8 @@ B<-C>          IP address of the partition.
 
 B<-d>          Display MAC only. The default is to write the first adapter MAC to the xCAT database. 
 
+B<-f>          Force immediate shutdown of the partition.
+
 B<-G>          Gateway IP address of the partition specified with the -C option.
 
 B<-h>          Display usage message.