diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index 80a585e3c..bc607a1a9 100644
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -530,7 +530,7 @@ linuximage  => {
  descriptions => {
   imagename => 'The name of this xCAT OS image definition.',
   template => 'The fully qualified name of the template file that is used to create the kick start file for diskful installation.',
-  pkglist => 'The fully qualified name of the file that stores the distro  packages list that will be included in the image. It is used for diskless image only.',
+  pkglist => 'The fully qualified name of the file that stores the distro  packages list that will be included in the image.',
   pkgdir => 'The name of the directory where the distro packages are stored.',
   otherpkglist => 'The fully qualified name of the file that stores non-distro package lists that will be included in the image.',
   otherpkgdir => 'The base directory where the non-distro packages are stored.',