Update need for speed instructions for clarity (exercism#3102)

ronvoluted · web-flow · commit 74cfdab28a71 · 2026-04-29T08:48:39.000+08:00
The tests check that if battery level is 99/100 but battery drain would be 100, that the car is technically 'drained'. This PR updates the instructions to reflect this to avoid ambiguity.
diff --git a/exercises/concept/need-for-speed/.docs/instructions.md b/exercises/concept/need-for-speed/.docs/instructions.md
@@ -45,7 +45,7 @@ car.distanceDriven();
 
 ## 4. Check for a drained battery
 
-Update the `NeedForSpeed.drive()` method to drain the battery based on the car's battery drain. Also, implement the `NeedForSpeed.batteryDrained()` method that indicates if the battery is drained:
+Update the `NeedForSpeed.drive()` method to drain the battery based on the car's battery drain. Also, implement the `NeedForSpeed.batteryDrained()` method that indicates if the battery is too drained to drive:
 
 ```java
 int speed = 5;
