diff --git a/xCAT-buildkit/share/xcat/kits/kit_template/buildkit.conf b/xCAT-buildkit/share/xcat/kits/kit_template/buildkit.conf
index 86393c649..5f375942a 100644
--- a/xCAT-buildkit/share/xcat/kits/kit_template/buildkit.conf
+++ b/xCAT-buildkit/share/xcat/kits/kit_template/buildkit.conf
@@ -96,7 +96,8 @@ kit:
 #
 #    osminorversion     (optional)  OS minor version. (ex. "4")
 #
-#    osarch             (mandatory) OS architecture. (ex. "x86_64")
+#    osarch             (mandatory) OS architecture. (ex.redhat x86_64 should be "x86_64", Ubuntu Power LE should be "ppc64el",
+#                                                      For Ubuntu Power LE, system arch is ppc64le, for ubuntu software package, should use "ppc64el",
 #
 #    compat_osbasenames (optional)  Comma-separated list of compatible
 #                         OS distribution base names. (ex. "centos")