diff --git a/CHANGES.md b/CHANGES.md
index 957bb63e0..78dcefdb3 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,6 +4,7 @@ unreleased
   + merlin binary
     - A new `WRAPPING_PREFIX` configuration directive that can be used to tell Merlin
       what to append to the current unit name in the presence of wrapping (#1788)
+    - Add `-unboxed-types` and `-no-unboxed-types` as ocaml ignored flags (#1794)
 
 merlin 5.1
 ==========