Lesson-8-Journal-2.markdown

@@ -178,7 +178,7 @@ It turned out that substituting the direct control of the motors with regulated
 
 The final construction is shown in the following figure.
 
-![Final construction of the Lego car.](https://gitlab.au.dk/rene2014/lego/raw/master/Lesson8/Images/FinalCar.JPG)
+![Final construction of the Lego car. Note that the reason for using double wheels on each side is to reduce the risk of slipping on the track.](https://gitlab.au.dk/rene2014/lego/raw/master/Lesson8/Images/FinalCar.JPG)
 
 ### Implementing turns