diff --git a/xCAT-server/lib/xcat/plugins/DBobjectdefs.pm b/xCAT-server/lib/xcat/plugins/DBobjectdefs.pm
index 158f9d5d6..6109afc16 100644
--- a/xCAT-server/lib/xcat/plugins/DBobjectdefs.pm
+++ b/xCAT-server/lib/xcat/plugins/DBobjectdefs.pm
@@ -903,7 +903,7 @@ sub defmk
         if ($invalidnodename) {
             $invalidnodename =~ s/,//;
             my $rsp;
-            $rsp->{data}->[0] = "The node name \'$invalidnodename\' has capital which can not be resolved correctly by dns server. Please don't use the capital in the node name which need to be installed Operating System.";
+            $rsp->{data}->[0] = "The node name \'$invalidnodename\' contains capital letters which may not be resolved correctly by the dns server.";
             xCAT::MsgUtils->message("W", $rsp, $::callback);
         }
     }
@@ -2123,7 +2123,7 @@ sub defch
                 if ($invalidnodename) {
                     $invalidnodename =~ s/,//;
                     my $rsp;
-                    $rsp->{data}->[0] = "The node name \'$invalidnodename\' has capital which can not be resolved correctly by dns server. Please don't use the capital in the node name which need to be installed Operating System.";
+                    $rsp->{data}->[0] = "The node name \'$invalidnodename\' contains capital letters which may not be resolved correctly by the dns server.";
                     xCAT::MsgUtils->message("W", $rsp, $::callback);
                 }
    
diff --git a/xCAT-server/lib/xcat/plugins/tabutils.pm b/xCAT-server/lib/xcat/plugins/tabutils.pm
index 4d9d6b417..9c5fb767b 100644
--- a/xCAT-server/lib/xcat/plugins/tabutils.pm
+++ b/xCAT-server/lib/xcat/plugins/tabutils.pm
@@ -787,7 +787,7 @@ sub nodech
         }
         if ($invalidnodename) {
             $invalidnodename =~ s/,//;
-            $callback->( {warning => "The node name \'$invalidnodename\' has capital which can not be resolved correctly by dns server. Please don't use the capital in the node name which need to be installed Operating System.\n"} );
+            $callback->( {warning => "The node name \'$invalidnodename\' contains capital letters which may not be resolved correctly by the dns server."} );
         }
     } elsif ($groupmode) {
         @groups = split /,/, shift @ARGV;