diff --git a/tools/create-stack-user.sh b/tools/create-stack-user.sh
index b49164b..c0b7ac7 100755
--- a/tools/create-stack-user.sh
+++ b/tools/create-stack-user.sh
@@ -24,7 +24,7 @@
 source $TOP_DIR/functions
 
 # Determine what system we are running on.  This provides ``os_VENDOR``,
-# ``os_RELEASE``, ``os_UPDATE``, ``os_PACKAGE``, ``os_CODENAME``
+# ``os_RELEASE``, ``os_PACKAGE``, ``os_CODENAME``
 # and ``DISTRO``
 GetDistro