[docs] Typo in session docs
[docs] Typo in session docs

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