diff --git a/Changes.md b/Changes.md
index cc7985358..6374aee1a 100644
--- a/Changes.md
+++ b/Changes.md
@@ -73,6 +73,10 @@ Unreleased
   ([#938](https://github.com/melange-re/melange/pull/938))
 - Don't process `[@mel.config]` twice
   ([#940](https://github.com/melange-re/melange/pull/940/))
+- Introduce an `unprocessed` alert to detect unprocessed Melange code, hinting
+  users to preprocess with `melange.ppx`
+  ([#911](https://github.com/melange-re/melange/pull/911),
+  [#945](https://github.com/melange-re/melange/pull/945))
 
 2.1.0 2023-10-22
 ---------------