diff --git a/manifests/init.pp b/manifests/init.pp
index fa913333..3b441fcd 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -9,7 +9,8 @@
 #    signing, and should be set to a unique, unpredictable value.
 #
 #  [*package_ensure*]
-#    (optional) Package ensure state. Defaults to 'present'.
+#    (optional) Package ensure state.
+#    Defaults to 'present'.
 #
 #  [*purge_conf_d_dir*]
 #    (optional) Purge files in the local_settings.d directory
@@ -569,7 +570,7 @@
 #
 class horizon (
   $secret_key,
-  $package_ensure                                    = 'present',
+  Stdlib::Ensure::Package $package_ensure            = 'present',
   Boolean $purge_conf_d_dir                          = false,
   Optional[Integer[0]] $memoized_max_size_default    = undef,
   $cache_backend                                     = 'django.core.cache.backends.locmem.LocMemCache',