diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02277ab23..7e2818a46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
 
 ## [unreleased][unreleased]
+ - Fix PAC/Stanley checksum calculation (@rknoll)
  - Added option --mem to `hf mf nested`, from icopyx source (@doegox)
  - Port fpga-xc3s100e and icopyx source code specificities to this repo (@doegox)
  - `hf mfdes` - Transactions. commit, abort, commit reader id. (@merlokk)