diff --git a/sonoff/_changelog.ino b/sonoff/_changelog.ino
index 83caab8c4..7c3307cdb 100644
--- a/sonoff/_changelog.ino
+++ b/sonoff/_changelog.ino
@@ -10,6 +10,7 @@
  * Fix handling of ligth channels when pwm_multichannel (Option68) is enabled
  * Add WebUI for multiple, independent PWM channels
  * Remove default DS18B20 driver and only support define DS18x20 (#6647)
+ * Add support for PMS3003 dust particle sensor
  *
  * 6.6.0.17 20191009
  * Add command SetOption34 0..255 to set backlog delay. Default value is 200 (mSeconds) (#6562)