Lesson-5.markdown

@@ -31,15 +31,12 @@ For this exercise we used a LEGO model build according to the description in [2]
 The standard software architecture is used along with the “LightPIDController” class.
 
 
-### Exercise 2, Choice of parameters on-the-fly
 
+### Exercise 2, Self-balancing robots with color sensor
 
 
-### Exercise 3, Self-balancing robots with color sensor
 
-
-
-### Exercise 4, Self-balancing robots with gyro sensor
+### Exercise 3, Self-balancing robots with gyro sensor
 
 
 
@@ -49,5 +46,7 @@ The standard software architecture is used along with the “LightPIDController
 ## References
 
 [1] http://legolab.cs.au.dk/DigitalControl.dir/NXT/Lesson5.dir/Lesson.html
+
+
 ### Videos