diff --git a/xCAT-server/lib/xcat/plugins/ddns.pm b/xCAT-server/lib/xcat/plugins/ddns.pm
index d3d1d0be5..2155674fc 100755
--- a/xCAT-server/lib/xcat/plugins/ddns.pm
+++ b/xCAT-server/lib/xcat/plugins/ddns.pm
@@ -1370,7 +1370,7 @@ sub update_namedconf {
     flock($newnameconf, LOCK_EX);
     seek($newnameconf, 0, 0);
     truncate($newnameconf, 0);
-    print $newnameconf "\#If there is no this file, it is generated by any \"makedns\" command in xCAT. Only \"makedns [-n|--new] [noderange]\" can re-create it.\n";
+    print $newnameconf "\#generated by xCAT: /opt/xcat/sbin/makedns -n \n";
     for my $l (@newnamed) { print $newnameconf $l; }
     flock($newnameconf, LOCK_UN);
     close($newnameconf);