diff --git a/xCAT-client/pods/man1/rbeacon.1.pod b/xCAT-client/pods/man1/rbeacon.1.pod
index 265c8349c..393d32d94 100644
--- a/xCAT-client/pods/man1/rbeacon.1.pod
+++ b/xCAT-client/pods/man1/rbeacon.1.pod
@@ -7,7 +7,7 @@ B<rbeacon> - Turns beacon on/off/blink or gives status of a node or noderange.
 
 B<rbeacon> [B<-h>|B<--help>|B<-v>|B<--version>]
 
-=head2 BMC/MPA specific:
+=head2 IPMI specific:
 
 B<rbeacon> I<noderange> {B<on>|B<off>}
 
@@ -19,6 +19,8 @@ B<rbeacon> I<noderange> {B<on>|B<blink>|B<off>|B<stat>}
 
 B<rbeacon> Turns beacon (a light on the front of the physical server) on/off/blink or gives status of a node or noderange.
 
+For B<IPMI specific>, it represents the systems were managed through I<ipmi> mode. And for B<Blade specific>, it represents managing the systems using I<blade> mode. 
+
 =head1 EXAMPLES
 
    rbeacon 1,3 off