diff --git a/Changes.md b/Changes.md
index a892e2e13..1932720ce 100644
--- a/Changes.md
+++ b/Changes.md
@@ -75,6 +75,10 @@ Unreleased
   ([#940](https://github.com/melange-re/melange/pull/940/))
 - BREAKING(ppx): remove `@mel.splice` in favor of `@mel.variadic`
   ([#943](https://github.com/melange-re/melange/pull/943))
+- 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
 ---------------