Fixes a mistake (most probably a typo) in the tutorial.
Fixes a mistake (most probably a typo) in the tutorial.

tuturto/hy,tianon/hy,aisk/hy,larme/hy,hcarvalhoalves/hy,ALSchwalm/hy,hcarvalhoalves/hy,paultag/hy,farhaven/hy,michel-slm/hy,larme/hy,jakirkham/hy,aisk/hy,farhaven/hy,tianon/hy,larme/hy,gilch/hy,timmartin/hy,aisk/hy,Foxboron/hy,tianon/hy,kirbyfan64/hy,Foxboron/hy,freezas/hy,mtmiller/hy,kartikm/hy,farhaven/hy,zackmdavis/hy,Tritlo/hy,adamfeuer/hy,kirbyfan64/hy,algernon/hy