diff --git a/docs/changelog b/docs/changelog
index a79b116d..2548b4ce 100644
--- a/docs/changelog
+++ b/docs/changelog
@@ -3,6 +3,7 @@ Changelog
 
 next:
 	* Core: Add support for type parameters deprecation (Darko Poljak)
+	* Type __acl: Rewrite and improve (Ander Punnar)
 
 5.1.1: 2019-05-28
 	* Type __apt_key: Use gpg key, fallback to deprecated apt-key (Ander Punnar)