diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index ffaac1649..ee7956b53 100644
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -633,7 +633,7 @@ linuximage  => {
   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.', 
   exlist => 'The fully qualified name of the file that stores the file names and directory names that will be excluded from the image during packimage command.  It is used for diskless image only.',
-  postinstall => 'The fully qualified name of the script file that will be run at the end of the packimage command. It is used for diskless image only.',
+  postinstall => 'The fully qualified name of the script file that will be run at the end of the genimage command. It is used for diskless image only.',
   rootimgdir => 'The directory name where the image is stored.  It is used for diskless image only.',
   kerneldir => 'The directory name where the 3rd-party kernel is stored. It is used for diskless image only.',
   nodebootif => 'The network interface the stateless/statelite node will boot over (e.g. eth0)',