diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2395069c..4f8a2d05e 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]
+- Changed `hf iclass legrec` - additional code optimizations gaining a ~147% speed increase (@antiklesys)
 - Changed `hf iclass tear` - readability improvements for erase phase (@antiklesys)
 - Changed `hf iclass legrec` - code optimizations gaining a ~8% speed increase (@antiklesys)
 - Modified `hf iclass tear` - now has a device side implementation also. (@antiklesys) (@iceman1001)