Lesson6.md

@@ -13,7 +13,7 @@ Camilla M. V. Frederiksen, Ida Larsen-Ledet, Nicolai Nibe and Emil Platz
 ## Plan
 
 ## Results
-Start by rebuild
+Start by rebuild by [1]
 
 ### Vihicle 1
 ### Vihicle 2
@@ -22,4 +22,4 @@ Start by rebuild
 ## Conclusion
 
 ## References
-[1] 
\ No newline at end of file
+[1] [Building instructions](http://legolab.cs.au.dk/DigitalControl.dir/NXT/Lesson6.dir/ExpressBot.pdf)
\ No newline at end of file