From 2994ab10d64e4121a1894b8f01e350be4fc1e988 Mon Sep 17 00:00:00 2001
From: mwalker33 <mwal5099@bigpond.net.au>
Date: Tue, 25 Jun 2019 20:52:29 +1000
Subject: [PATCH] Update CHANGELOG.md

---
 CHANGELOG.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 037bab99..a3421c77 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 
 ## [unreleased][unreleased]
 
+## T55xx Downlink Protocol
+### Added
+- Added downlink reference mode option r <mode> [ 0 - (default) fixed bit, 1 - long leading, 2 - leading 0 and 3 - 1 of 4 ]
+Supported commands lf t55xx detect, read, write, bruteforce (with special r 4 to try all downlink modes) (mwalker33)
+
+
 ### Changed
 - Changed hf mfp security. Now it works in all the modes. (drHatson)
 - `hf fido` - show/check DER certificate and signatures (Merlok)
-- 
2.39.2