diff --git a/sonoff/_changelog.ino b/sonoff/_changelog.ino
index a92e3da08..d8a60d4f2 100644
--- a/sonoff/_changelog.ino
+++ b/sonoff/_changelog.ino
@@ -3,6 +3,7 @@
  * Change Settings crc calculation allowing short term backward compatibility
  * Add support for up to 4 INA226 Voltage and Current sensors by Steve Rogers (#6342)
  * Change Improve reliability of TasmotaSerial at 115200 bauds and reduce IRAM usage for Stage/pre-2.6
+ * Add support for A4988 stepper-motor-driver-circuit by Tim Leuscher (#6370)
  *
  * 6.6.0.10 20190905
  * Redesign Tuya support by Shantur Rathore (#6353)
diff --git a/sonoff/xdrv_25_A4988_Stepper.ino b/sonoff/xdrv_25_A4988_Stepper.ino
index 94dbd1bf7..89b0a09c1 100644
--- a/sonoff/xdrv_25_A4988_Stepper.ino
+++ b/sonoff/xdrv_25_A4988_Stepper.ino
@@ -1,6 +1,8 @@
 
 /*
-  xdrv_25_A4988_Stepper.ino - A4988-StepMotorDriverCircuit- support for Sonoff-Tasmota
+  xdrv_25_a4988_stepper.ino - A4988 StepMotorDriverCircuit- support for Sonoff-Tasmota
+
+  Copyright (C) 2019  Tim Leuscher and Theo Arends
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by