Update README.md

Author: sonnynomnom

README.md

@@ -51,7 +51,7 @@ https://www.codecademy.com/learn/learn-circuitpython
 
 - [x] [`code.py`](circuit-playground-part-1/bike-light/code.py)
 - [x] [`bedazzle_bike_light.py`](circuit-playground-part-1/bike-light/bedazzle_bike_light.py) (by [cephir909](https://www.codecademy.com/cephir909))
-- [x] [`KITT.py`](circuit-playground-part-1/bike-light/KITT.py) (by [ericgfx](https://www.codecademy.com/EricGrossDesign))
+- [x] [`kitt.py`](circuit-playground-part-1/bike-light/kitt.py) (by [ericgfx](https://www.codecademy.com/EricGrossDesign))
 
 ## 2. Circuit Playground Express: Part 2 ##