diff --git a/CHANGELOG.md b/CHANGELOG.md
index 045d9b2d..6fdda88b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,10 +6,14 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
 ## [unreleased][unreleased]
 
 ### Changed
+- Improved backdoor detection missbehaving magic s50/1k tag (Fl0-0)
 
 ### Fixed
 
 ### Added
+- Added hf mf c* commands compatibity for 4k and gen1b backdoor (Fl0-0)
+- Added backdoor detection for gen1b magic s70/4k tag (Fl0-0)
+- Added data fsktonrz, a fsk cleaning/demodulating routine for weak fsk signal. Note: follow this up with a `data rawdemod nr` to finish demoding your signal.
 - Added lf em 410xbrute, LF EM410x reader bruteforce attack by simulating UIDs from a file (Fl0-0)
 
 ## [3.0.1][2017-06-08]