diff --git a/perl-xCAT/xCAT/Usage.pm b/perl-xCAT/xCAT/Usage.pm
index 9875b0038..295ef1fa1 100644
--- a/perl-xCAT/xCAT/Usage.pm
+++ b/perl-xCAT/xCAT/Usage.pm
@@ -36,7 +36,7 @@ my %usage = (
      LPAR(using Direct FSP Management) specific:
        rpower <noderange> [on|off|reset|stat|state|boot|of|sms]
      Blade(using Direct FSP Management) specific:
-       rpower <noderange> [on|off|cycle|state]
+       rpower <noderange> [on|onstandby|off|cycle|state|sms]
      Blade(using AMM) specific:
        rpower <noderange> [cycle|softoff] [-V|--verbose]
      zVM specific:
diff --git a/xCAT-client/pods/man1/rpower.1.pod b/xCAT-client/pods/man1/rpower.1.pod
index ac1e2bb7f..51d3be404 100644
--- a/xCAT-client/pods/man1/rpower.1.pod
+++ b/xCAT-client/pods/man1/rpower.1.pod
@@ -36,6 +36,10 @@ B<rpower> I<noderange> [B<rackstandby>|B<exit_rackstandby>|B<stat>|B<state>|B<re
 
 B<rpower> I<noderange> [B<on>|B<off>|B<stat>|B<state>|B<reset>|B<boot>|B<of>|B<sms>]
 
+=head2 Blade (using Direct FSP Management) specific:
+
+B<rpower> I<noderange> [B<on>|B<onstandby>|B<off>|B<stat>|B<state>|B<sms>]
+
 =head2 Blade specific:
 
 B<rpower> I<noderange> [B<cycle>|B<softoff>]