diff --git a/CHANGES.rst b/CHANGES.rst
index 7342116ed..e4bbb40b7 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,6 +5,9 @@ Changelog (Pillow)
 9.0.0 (unreleased)
 ------------------
 
+- Improved putdata() documentation and data handling #5910
+  [radarhere]
+
 - Exclude carriage return in PDF regex to help prevent ReDoS #5912
   [hugovk]