diff --git a/sonoff/xdrv_19_ps16dz_dimmer.ino b/sonoff/xdrv_19_ps16dz_dimmer.ino
index 2e9802d93..b0dc80190 100644
--- a/sonoff/xdrv_19_ps16dz_dimmer.ino
+++ b/sonoff/xdrv_19_ps16dz_dimmer.ino
@@ -1,5 +1,5 @@
 /*
-  xdrv_19_Ps16dz.dimmer.ino - PS_16_DZ dimmer and Sonoff L1 support for Sonoff-Tasmota
+  xdrv_19_ps16dz.dimmer.ino - PS_16_DZ dimmer and Sonoff L1 support for Sonoff-Tasmota
 
   Copyright (C) 2019  Joel Stein and Theo Arends