fix(curriculum): typo in Python Abstraction lesson (freeCodeCamp#64332)

Author: maxw2025

curriculum/challenges/english/blocks/lecture-understanding-abstraction/68c3bc80f67363a31791fe1c.md

@@ -253,7 +253,7 @@ Think about how the interface is what you directly interact with, while the comp
 
 ---
 
-The Interface is the steering wheel, brakes, and accelerator, and the complex system is the engine, transmission, and braking physics.
+The interface is the steering wheel, brakes, and accelerator, and the complex system is the engine, transmission, and braking physics.
 
 ---