diff --git a/perl-xCAT/xCAT/Schema.pm b/perl-xCAT/xCAT/Schema.pm
index 674be968b..00b696c2d 100644
--- a/perl-xCAT/xCAT/Schema.pm
+++ b/perl-xCAT/xCAT/Schema.pm
@@ -392,7 +392,7 @@ nodetype => {
   os => 'The operating system deployed on this node.  Valid values: AIX, rh*, centos*, fedora*, sles* (where * is the version #).',
   arch => 'The hardware architecture of this node.  Valid values: x86_64, ppc64, x86, ia64.',
   profile => 'Either the name of an xCAT osimage definition or a pointer to a kickstart or autoyast template to use for OS deployment of this node.',
-  provmethod => 'The provisioning method for node deployment. The valid values are install, netboot or an os image name from the osimage table',
+  provmethod => 'The provisioning method for node deployment. The valid values are install, netboot or an os image name from the osimage table. If install or netboot is specified, the combination of profile, os and arch are used for the name of the template files that are needed to generate the image or kickstart templates. The search order for these files is /install/custom... directory first, then /opt/xcat/share/xcat... directory. However, if the provemethod specifies an image name, the osimage table together with linuximage table (for Linux) or nimimage table (for AIX) are used for the file locations.',
   supportedarchs => 'Comma delimited list of architectures this node can execute.',
   nodetype => 'A comma-delimited list of characteristics of this node.  Valid values: blade, vm (virtual machine), lpar, osi (OS image), hmc, fsp, ivm, bpa, mm, rsa, switch.',
      comments => 'Any user-written notes.',