diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index 2e6b910a8..3ab837fe7 100644
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -488,7 +488,7 @@ nodelist => {
     descriptions => {
      node => 'The hostname of a node in the cluster.',
      groups => "A comma-delimited list of groups this node is a member of.  Group names are arbitrary, except all nodes should be part of the 'all' group.",
-     status => 'The current status of this node.  This attribute will be set by xCAT software.  Valid values: defined, booting, netbooting, booted, discovering, configuring, installing, alive, standingby, powering-off, ping, unreachable. If blank, defined is assumed. The possible status change sequenses are: For installaton: defined->[discovering]->[configuring]->[standingby]->installing->booting->booted->[alive],  For diskless deployment: defined->[discovering]->[configuring]->[standingby]->netbooting->booted->[alive],  For booting: [alive/unreachable]->booting->[alive],  For powering off: [alive]->powering-off->[unreachable], For monitoring: alive->unreachable. Discovering and configuring are for x Series dicovery process. Alive and unreachable are set only when there is a monitoring plug-in start monitor the node status for xCAT. Please note that the status values will not reflect the real node status if you change the state of the node from outside of xCAT (i.e. power off the node using HMC GUI).',
+     status => 'The current status of this node.  This attribute will be set by xCAT software.  Valid values: defined, booting, netbooting, booted, discovering, configuring, installing, alive, standingby, powering-off, unreachable. If blank, defined is assumed. The possible status change sequenses are: For installaton: defined->[discovering]->[configuring]->[standingby]->installing->booting->booted->[alive],  For diskless deployment: defined->[discovering]->[configuring]->[standingby]->netbooting->booted->[alive],  For booting: [alive/unreachable]->booting->[alive],  For powering off: [alive]->powering-off->[unreachable], For monitoring: alive->unreachable. Discovering and configuring are for x Series dicovery process. Alive and unreachable are set only when there is a monitoring plug-in start monitor the node status for xCAT. Please note that the status values will not reflect the real node status if you change the state of the node from outside of xCAT (i.e. power off the node using HMC GUI).',
      statustime => "The data and time when the status was updated.",
      appstatus => "A comma-delimited list of application status. For example: 'sshd=up,ftp=down,ll=down'",
      appstatustime =>'The date and time when appstatus was updated.',
@@ -644,7 +644,7 @@ passwd => {
 policy => {
     cols => [qw(priority name host commands noderange parameters time rule comments disable)],
     keys => [qw(priority)],
-    table_desc => 'Not fully implemented!  Controls who has authority to run specific xCAT operations.',
+    table_desc => 'The policy table in the xCAT database controls who has authority to run specific xCAT operations. It is basically the Access Control List (ACL) for xCAT.',
  descriptions => {
   priority => 'The priority value for this rule.  This value is used to identify this policy data object (i.e. this rule).',
   name => 'The username that is allowed to perform the commands specified by this rule.  Default is "*" (all users).',