Lesson5.md

@@ -6,7 +6,7 @@
 
 **Group members participating:** Camilla M. V. Frederiksen, Ida Larsen-Ledet, Nicolai Nibe and Emil Platz
 
-**Activity duration:** OVER 9000 hours ???
+**Activity duration:** OVER 9000 hours ??? (7 on the 21st of March + ?????????? on the 7th of April)
 
 ## Goal
 Construction of a self-balancing robot, as specified in [lesson plan 5](http://legolab.cs.au.dk/DigitalControl.dir/NXT/Lesson5.dir/Lesson.html).