diff --git a/manifests/backends.pp b/manifests/backends.pp
index 4ac672a2..b5428ff4 100644
--- a/manifests/backends.pp
+++ b/manifests/backends.pp
@@ -6,12 +6,12 @@
 #
 # [*enabled_share_backends*]
 #   (Required) a list of ini sections to enable.
-#   This should contain names used in ceph::backend::* resources.
+#   This should contain names used in manila::backend::* resources.
 #   Example: ['share1', 'share2', 'sata3']
 #
 # Author: Andrew Woodward <awoodward@mirantis.com>
 class manila::backends (
-  $enabled_share_backends = undef
+  Variant[String[1], Array[String[1], 1]] $enabled_share_backends
 ) {
 
   include manila::deps