diff --git a/exercises/concept/need-for-speed/.docs/instructions.md b/exercises/concept/need-for-speed/.docs/instructions.md
index 1e879b30be..3a6ebb10a0 100644
--- a/exercises/concept/need-for-speed/.docs/instructions.md
+++ b/exercises/concept/need-for-speed/.docs/instructions.md
@@ -2,7 +2,7 @@
 
 In this exercise you'll be organizing races between various types of remote controlled cars. Each car has its own speed and battery drain characteristics.
 
-Cars start with full (100%) batteries. Each time you drive the car using the remote control, it covers the car's speed in meters and decreases the remaining battery percentage by its battery drain.
+Cars start with full (100%) batteries. Each time you drive the car using the remote control, it increases the car's speed in meters per second and decreases the remaining battery percentage by its battery drain.
 
 If a car's battery is below its battery drain percentage, you can't drive the car anymore.
 
@@ -12,7 +12,7 @@ You have six tasks, each of which will work with remote controller car instances
 
 ## 1. Creating a remote controlled car
 
-Allow creating a remote controller car by defining a constructor for the `RemoteControlCar` 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 controller car by defining a constructor for the `RemoteControlCar` class that takes the speed of the car in meters per second and the battery drain percentage as its two parameters (both of type `int`):
 
 ```csharp
 int speed = 5;
@@ -59,7 +59,7 @@ car.BatteryDrained();
 
 ## 5. Create the Nitro remote control car
 
-The best-selling remote control car is the Nitro, which has a stunning top speed of 50 meters with a battery drain of 4%. Implement the (static) `RemoteControlCar.Nitro()` method to return this type of car:
+The best-selling remote control car is the Nitro, which has a stunning top speed of 50 meters per second with a battery drain of 4%. Implement the (static) `RemoteControlCar.Nitro()` method to return this type of car:
 
 ```csharp
 var car = RemoteControlCar.Nitro();