Update CHANGES

Author: Julow

CHANGES.md

@@ -23,7 +23,8 @@ profile. This started with version 0.26.0.
   only use punning when it exists in the source.
   This also applies to `let%ext` bindings (#2747, @WardBrian).
 
-- Support the unnamed functor parameters syntax in module types (#2755, @Julow)
+- Support the unnamed functor parameters syntax in module types
+  (#2755, #2759, @Julow)
   ```ocaml
   module type F = ARG -> S
   ```