diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d02eab..ce22858 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Freifunk München Firmware Changelog
 
+## experimental
+ - Switched to batman-adv compat version 15
+ - Changed channel to 6 with HT20 on 2.4GHz
+
 ## 2015.1
  - Updated to Gluon 2014.4 release