Lesson5.md

@@ -65,7 +65,7 @@ We started by changing the int's to floats - 'cause Ole said so. Aaaaand this wi
 The next step seems to be changing the parameters, as Hurbain says that the values of the program are used from a calibration of his light sensor. 
 
 ### Choice of parameters on the fly
-We used the
+We used the **TrackerController** class [4] from lesson 2 as a basis for our GUI.
 
 ### Self balancing robot with color sensor