diff --git a/docs/library/pyb.Timer.rst b/docs/library/pyb.Timer.rst
index 017ea56c5c..78db71e542 100644
--- a/docs/library/pyb.Timer.rst
+++ b/docs/library/pyb.Timer.rst
@@ -110,8 +110,8 @@ Methods
    PWM Example::
    
        timer = pyb.Timer(2, freq=1000)
-       ch2 = timer.channel(2, pyb.Timer.PWM, pin=pyb.Pin.board.X2, pulse_width=210000)
-       ch3 = timer.channel(3, pyb.Timer.PWM, pin=pyb.Pin.board.X3, pulse_width=420000)
+       ch2 = timer.channel(2, pyb.Timer.PWM, pin=pyb.Pin.board.X2, pulse_width=8000)
+       ch3 = timer.channel(3, pyb.Timer.PWM, pin=pyb.Pin.board.X3, pulse_width=16000)
 
 .. method:: timer.counter([value])