diff --git a/firmware/firmware.ino b/firmware/firmware.ino
index 676dfd1..3348974 100644
--- a/firmware/firmware.ino
+++ b/firmware/firmware.ino
@@ -157,7 +157,7 @@ void lightEngine()
         //Serial.println("lon: pin" + (String)i + " = PWM(" + (String)tmp_pwm + ")");
         analogWrite(pins[i], tmp_pwm);
       }
-    } else {
+    } else { // light state is off
 
       if (current_bri[i] != 0)
       {