diff --git a/CHANGES.md b/CHANGES.md
index aa3977e..dd0f461 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -3,7 +3,7 @@
 
 - Add basic example.
 - Add optional custom parser argument to override the default parsing mechanism.
-- Add `MIME` module to guess MIME type of files.
+- Add `MIME` module to guess MIME type of files (#4).
 
 0.2.0 (2023-07-01)
 =====