Update typo in instructions.md (#2725)

* Update typo in instructions.md

* Update instructions.md

fix typo

Author: jkriesp

exercises/concept/need-for-speed/.docs/instructions.md

@@ -8,11 +8,11 @@ If a car's battery is below its battery drain percentage, you can't drive the ca
 
 Each race track has its own distance. Cars are tested by checking if they can finish the track without running out of battery.
 
-You have six tasks, each of which will work with remote controller car instances.
+You have six tasks, each of which will work with remote controlled car instances.
 
 ## 1. Creating a remote controlled car
 
-Allow creating a remote controller car by defining a constructor for the `NeedForSpeed` class that takes the speed of the car in meters and the battery drain percentage as its two parameters (both of type `int`):
+Allow creating a remote controlled car by defining a constructor for the `NeedForSpeed` class that takes the speed of the car in meters and the battery drain percentage as its two parameters (both of type `int`):
 
 ```java
 int speed = 5;