diff --git a/pio/pio_servo/pio_servo.py b/pio/pio_servo/pio_servo.py
index ebe95fc..c973e85 100644
--- a/pio/pio_servo/pio_servo.py
+++ b/pio/pio_servo/pio_servo.py
@@ -30,7 +30,7 @@ def servo_prog():
     
     wrap()
         
-class Servo_Trigger:
+class ServoTrigger:
     '''
     Run one statemachine in a loop, that clears IRQ every 20ms as the
     base for the servo statemachine.