diff --git a/manifests/params.pp b/manifests/params.pp
index 9143c3d..e89ade3 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -1,3 +1,4 @@
+# PRIVATE CLASS: do not use directly
 class gnupg::params {
 
   $package_ensure = 'present'