diff --git a/CHANGES.rst b/CHANGES.rst
index f3912c354..a6408ef6a 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,9 @@ Changelog (Pillow)
 4.3.0 (unreleased)
 ------------------
 
+- Docs: Corrected alpha_composite args documentation #2627
+  [radarhere]
+  
 - Docs: added the description of the filename attribute to images.rst #2621
   [dasdachs]