diff --git a/sonoff/_changelog.ino b/sonoff/_changelog.ino
index 5b26d35d3..8429ce360 100644
--- a/sonoff/_changelog.ino
+++ b/sonoff/_changelog.ino
@@ -5,6 +5,7 @@
  * Add initial support for MQTT logging using command MqttLog <loglevel> (#6498)
  * Add Zigbee more support - collect endpoints and clusters, added ZigbeeDump command
  * Add initial support for shutters by Stefan Bode (#288)
+ * Add use case for sensor29 pin,1 and sensor29 pin,0 to substitute ON and OFF respectively with MCP230xx driver
  *
  * 6.6.0.13 20190922
  * Add command EnergyReset4 x,x to initialize total usage for two tarrifs