If you are using multiple hostnames, determine the base domain for the cluster. This will be referred to as @${DOMAIN}@.
-For example, if CLUSTER is @xarv1@ and DOMAIN is @example.com@, then @controller.${CLUSTER}.${DOMAIN}@" means @controller.xargv1.example.com@.
+For example, if CLUSTER is @xarv1@ and DOMAIN is @example.com@, then @controller.${CLUSTER}.${DOMAIN}@" means @controller.xarv1.example.com@.
h3. Machine specification