diff --git a/manifests/keystone/authtoken.pp b/manifests/keystone/authtoken.pp
index b48a96f..dc71147 100755
--- a/manifests/keystone/authtoken.pp
+++ b/manifests/keystone/authtoken.pp
@@ -30,7 +30,7 @@
 # [*insecure*]
 #   (Optional) If true, explicitly allow TLS without checking server cert
 #   against any certificate authorities.  WARNING: not recommended.  Use with caution.
-#   Defaults to $:os_service_default
+#   Defaults to $::os_service_default
 #
 # [*auth_section*]
 #   (Optional) Config Section from which to load plugin specific options