diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index babac0312..264b83ab0 100644
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -740,7 +740,7 @@ servicenode => {
   tftpserver => 'Do we set up TFTP on this service node? Not supported on AIX. Valid values:yes or 1, no or 0. If yes, configures and starts atftp. If no or 0, it does not change the current state of the service. ',
   nfsserver => 'Do we set up file services (HTTP,FTP,or NFS) on this service node? For AIX will only setup NFS, not HTTP or FTP. Valid values:yes or 1, no or 0.If no or 0, it does not change the current state of the service. ',
   conserver => 'Do we set up Conserver on this service node?  Valid values:yes or 1, no or 0. If yes, configures and starts conserver daemon. If no or 0, it does not change the current state of the service.',
-  monserver => 'Not used.  Is this a monitoring event collection point? Valid values:yes or 1, no or 0. If no or 0, it does not change the current state of the service.',
+  monserver => 'Is this a monitoring event collection point? Valid values:yes or 1, no or 0. If no or 0, it does not change the current state of the service.',
   ldapserver => 'Do we set up ldap caching proxy on this service node? Not supported on AIX.  Valid values:yes or 1, no or 0. If no or 0, it does not change the current state of the service.',
   ntpserver => 'Not used. Use setupntp postscript to setup a ntp server on this service node? Valid values:yes or 1, no or 0. If no or 0, it does not change the current state of the service.',
   ftpserver => 'Do we set up a ftp server on this service node? Not supported on AIX Valid values:yes or 1, no or 0. If yes, configure and start vsftpd. If no or 0, it does not change the current state of the service.',