diff --git a/perl-xCAT/xCAT/Usage.pm b/perl-xCAT/xCAT/Usage.pm
index 033178217..5e3a8ffd3 100644
--- a/perl-xCAT/xCAT/Usage.pm
+++ b/perl-xCAT/xCAT/Usage.pm
@@ -59,7 +59,9 @@ my %usage = (
     MPA specific:
        rinv <noderange> [firm|bios|diag|mprom|sprom|mparom|mac|mtm]
     PPC specific:
-       rinv <noderange> [bus|config|serial|model|firm|all]",
+       rinv <noderange> [bus|config|serial|model|firm|all]
+    Blade specific:
+       rinv <noderange> [mtm|serial|mac|bios|diag|mprom|mparom|firm|all]",
     "rsetboot" => 
 "Usage: rsetboot <noderange> [net|hd|cd|floppy|def|stat] [-V|--verbose]
        rsetboot [-h|--help|-v|--version]",
diff --git a/xCAT-client/pods/man1/rinv.1.pod b/xCAT-client/pods/man1/rinv.1.pod
index 5c336ff64..16ca0935d 100644
--- a/xCAT-client/pods/man1/rinv.1.pod
+++ b/xCAT-client/pods/man1/rinv.1.pod
@@ -14,6 +14,10 @@ B<rinv> I<noderange> {B<pci>|B<model>|B<serial>|B<asset>|B<vpd>|B<mprom>|B<devic
 
 B<rinv> I<noderange> {B<bus>|B<config>|B<serial>|B<model>|B<firm>|B<all>}
 
+=head2 Blade specific:
+
+B<rinv> I<noderange> {B<mtm>|B<serial>|B<mac>|B<bios>|B<diag>|B<mprom>|B<mparom>|B<firm>|B<all>}
+
 =head1 B<Description>
 
 B<rinv>  retrieves  hardware  configuration  information from the on-board
@@ -56,6 +60,10 @@ Retrieves asset tag.  Usually it's the MAC address of eth0.
 
 Same as specifying model, serial, deviceid, and mprom.
 
+=item B<diag>
+
+Diagnostics information of firmware.
+
 =item B<mprom>
 
 ?