Minor documentation fixes.
Minor documentation fixes.

Change-Id: Ib4da60fc8ab3eff14de23b8697bc160464a0c60f

tpdi/scalajs-spa-tutorial,CapeSepias/scalajs-spa-tutorial,UKHomeOffice/drt-scalajs-spa-exploration,vmunier/scalajs-spa-tutorial,Enalmada/scalajs-spa-tutorial,somanythings/drt-scalajs-spa-exploration,UKHomeOffice/drt-scalajs-spa-exploration,fnouama/scalajs-spa-tutorial,japgolly/scalajs-spa-tutorial,ochrons/scalajs-spa-tutorial,mb720/scalajs-spa-tutorial,MikaelMayer/scalajs-spa-tutorial,kkasravi/scalajs-spa-tutorial,vmunier/scalajs-spa-tutorial,ochrons/scalajs-spa-tutorial,wrotki/spacommander,somanythings/drt-scalajs-spa-exploration,wrotki/spacommander,somanythings/drt-scalajs-spa-exploration,coacoas/scalajs-play-demo,payne/scalajs-spa-tutorial,mb720/scalajs-spa-tutorial,pawank/scalajs-spa-tutorial,insdami/scalajs-spa-tutorial,japgolly/scalajs-spa-tutorial,somanythings/drt-scalajs-spa-exploration,UKHomeOffice/drt-scalajs-spa-exploration,Enalmada/scalajs-spa-tutorial,wrotki/spacommander