diff --git a/perl-xCAT/xCAT/Usage.pm b/perl-xCAT/xCAT/Usage.pm
index 723dcd1f6..8c9caad49 100644
--- a/perl-xCAT/xCAT/Usage.pm
+++ b/perl-xCAT/xCAT/Usage.pm
@@ -17,7 +17,7 @@ use xCAT::Utils;
 
 my %usage = (
     "rnetboot" => 
-"Usage: rnetboot <noderange> [-s net|hd] [-F] [-f] [-V|--verbose] [-m table.colum==expectedstatus] [-m table.colum==expectedstatus...] [-r <retrycount>] [-t <timeout>]
+"Usage: rnetboot <noderange> [-s net|hd] [-F] [-f] [-I|--iscsiboot] [-V|--verbose] [-m table.colum==expectedstatus] [-m table.colum==expectedstatus...] [-r <retrycount>] [-t <timeout>]
        rnetboot [-h|--help|-v|--version]",
     "rpower" => 
 "Usage: rpower <noderange> [--nodeps] [on|onstandby|off|suspend|reset|stat|state|boot] [-V|--verbose] [-m table.colum==expectedstatus][-m table.colum==expectedstatus...] [-r <retrycount>] [-t <timeout>]
diff --git a/xCAT-client/pods/man1/rnetboot.1.pod b/xCAT-client/pods/man1/rnetboot.1.pod
index 774255963..1aa581035 100644
--- a/xCAT-client/pods/man1/rnetboot.1.pod
+++ b/xCAT-client/pods/man1/rnetboot.1.pod
@@ -4,7 +4,7 @@ B<rnetboot> - Cause the range of nodes to boot to network.
 
 =head1 SYNOPSIS
 
-B<rnetboot> [B<-V>|B<--verbose>] B<[-s boot_device_order]> B<[-F]> B<[-f]> I<noderange> [-m table.column==expectedstatus [-m table.col-umn=~expectedstatus]] [-t timeout] [-r retrycount]
+B<rnetboot> [B<-V>|B<--verbose>] B<[-s boot_device_order]> B<[-F]> B<[-f]> [B<-I>|B<--iscsiboot>] I<noderange> [-m table.column==expectedstatus [-m table.col-umn=~expectedstatus]] [-t timeout] [-r retrycount]
 
 B<rnetboot> [B<-h>|B<--help>] [B<-v>|B<--version>]
 
@@ -23,6 +23,8 @@ B<-F>          Force reboot the system no matter what state the node is.  By def
 
 B<-f>          Force immediate shutdown of the partition.
 
+B<-I>          Make rnetboot do a iscsi dump on AIX.
+
 B<-m>          Use one or multiple -m flags to specify the node attributes and the expected status for the node installation monitor
 ing and automatic retry mechanism. The operators ==, !=, =~ and !~ are valid. This flag must be used with -t flag.