Update Video Name

Author: karlsoderby

content/micropython/02.micropython-course/course/05.analog/04.analog.md

@@ -100,7 +100,7 @@ while True:
 Now, turn the knob, and watch as the LED dims according to the knob's position.
 
 <video width="100%" loop autoplay>
-<source src="assets/pot+led.mp4" type="video/mp4" />
+<source src="assets/pot-led.mp4" type="video/mp4" />
 </video>