diff --git a/perl-xCAT/xCAT/DBobjUtils.pm b/perl-xCAT/xCAT/DBobjUtils.pm
index e9745510a..6971a8d86 100755
--- a/perl-xCAT/xCAT/DBobjUtils.pm
+++ b/perl-xCAT/xCAT/DBobjUtils.pm
@@ -1172,10 +1172,10 @@ sub setobjdefs
             my $pickvalidattr=0;
             if ($invalidattr->{$att}->{valid} != 1) {
                 my $tt = $invalidattr->{$att}->{valid};
-                #if attribute is set invalid, check if its pre-check attribute exists in group objects, pick the attribute into valid. 
+                #if attribute is set invalid, check if its pre-check attribute exists in group objects, pick the attribute into valid.
                 # ex. like if I want to set hdwctrlpoint I will have
-                # to match the right value for mgtmethod 
-                # if mgtmethod exists in group objects and its value match the one of only_if value, set hdwctrlpoint valid 
+                # to match the right value for mgtmethod
+                # if mgtmethod exists in group objects and its value match the one of only_if value, set hdwctrlpoint valid
                 my $conditionkey=$invalidattr->{$att}->{condition};
                 foreach my $tmpgrp (@tmplgrplist) {
                     if (($DBgroupsattr{$tmpgrp}{$conditionkey}) && ($conditionlist->{$conditionkey} =~ $DBgroupsattr{$tmpgrp}{$conditionkey})) {