diff --git a/manifests/keystone/authtoken.pp b/manifests/keystone/authtoken.pp
index a6c01ec..daa467a 100644
--- a/manifests/keystone/authtoken.pp
+++ b/manifests/keystone/authtoken.pp
@@ -31,7 +31,7 @@
 #  (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