diff --git a/xCAT/postscripts/configefi b/xCAT/postscripts/configefi
index da0e7face..0f355b436 100644
--- a/xCAT/postscripts/configefi
+++ b/xCAT/postscripts/configefi
@@ -1,3 +1,6 @@
+#!/bin/bash
+#Used only by sysclone
+
 if [ -d /sys/firmware/efi ]; then
     echo "Setting Boot Manager for the next boot."
     echo "delete all sysclone boot list"
diff --git a/xCAT/postscripts/updatenetwork b/xCAT/postscripts/updatenetwork
index 8da573914..de7db45c8 100644
--- a/xCAT/postscripts/updatenetwork
+++ b/xCAT/postscripts/updatenetwork
@@ -1,4 +1,6 @@
 #!/bin/bash
+#Used only by sysclone
+
 . /tmp/post-install/variables.txt
 
 #delete the udev rule in the image