update comment to reference pwmio instead of pulseio

FoamyGuy · FoamyGuy · commit f7afbd11a796 · 2022-07-11T10:05:40.000-05:00
diff --git a/MetroX_CircuitPython/fading_led/code.py b/MetroX_CircuitPython/fading_led/code.py
@@ -6,7 +6,7 @@
 'fading_led.py'.
 
 =================================================
-fades a LED using pulseio's PWM
+fades a LED using pwmio's PWM
 """
 
 import time
