Lesson-4.markdown

@@ -66,7 +66,7 @@ controlSignal(controlledValue);
 lastError = error;			
 Delay.msDelay(dt);
 ````
-where the function controlSignal controls the power of the two motors in the following way
+where the function `controlSignal()` controls the power of the two motors in the following way
 ```java
 protected void controlSignal(float controlledValue) {
     leftMotor.controlMotor((int)(Tp + controlledValue),1);