diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index 3c89c3fa5..236adb19b 100644
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -602,8 +602,8 @@ noderes => {
          privacy => 'The privacy protocol to use for v3.  DES is assumed if v3 enabled, as it is the most readily available.',
          auth => 'The authentication protocol to use for SNMPv3.  SHA is assumed if v3 enabled and this is unspecified',
          linkports => 'The ports that connect to other switches. Currently, this column is only used by vlan configuration. The format is: "port_number:switch,port_number:switch...". Please refer to the switch table for details on how to specify the port numbers.',
-        sshusername => 'The user name for ssh.',
-        sshpassword => 'The password for ssh.',
+        sshusername => 'The user name for ssh. For Ethernet switches, it can be user name for telnet if ssh is not set up.',
+        sshpassword => 'The password for ssh. For Ethernet switches, it can be password for telnet if ssh is not set up.',
         switchtype => 'The type of switch. It is used to identify the file name that implements the functions for this swithc. The valid values are: MellanoxIB etc.',
 	},
     },