fixed typos in doc
fixed typos in doc

Incognito/silex-fork,mmauri04/Silex,SanderKnape/Silex,lokhman/Silex,cesarmarinhorj/Silex,Tobion/Silex,tcx1000/Silex,stof/Silex,Incognito/silex-fork,GromNaN/Silex,naderman/Silex,lyrixx/Silex,SpacePossum/Silex,JPry/Silex,peterkokot/Silex,fabpot/Silex,silexphp/Silex,arduanov/Silex,fhinkel/Silex,peterkokot/Silex,plotek/Silex,peterkokot/Silex,akucherevskiy/developex_test,mmauri04/Silex,JPry/Silex,GromNaN/Silex,CarsonF/Silex,beealone/Silex,GromNaN/Silex,CarsonF/Silex,gencer/Silex,CarsonF/Silex,cgsmith/Silex,arduanov/Silex,naderman/Silex,beealone/Silex,mathroc/Silex,naderman/Silex,cgsmith/Silex,mTorres/Silex,lyrixx/Silex,SanderKnape/Silex,lokhman/Silex,lyrixx/Silex,plotek/Silex,jdreesen/Silex,Xephi/Silex,fhinkel/Silex,Xephi/Silex,RayRutjes/Silex,mTorres/Silex,cesarmarinhorj/Silex,SpacePossum/Silex,stof/Silex,romainneutron/Silex,Seldaek/Silex,Seldaek/Silex,jdreesen/Silex,mathroc/Silex,romainneutron/Silex,akucherevskiy/developex_test,fabpot/Silex,RayRutjes/Silex,tcx1000/Silex,Tobion/Silex,Tobion/Silex,stof/Silex,romainneutron/Silex,akucherevskiy/developex_test