Fixed typos, added clarifications to FAQ
Fixed typos, added clarifications to FAQ

oconics/Autofac,lijianguang/Autofac,neoe1984/https-github.com-autofac-Autofac,onovotny/Autofac,LexxFedoroff/Autofac,laizhan/autofac,laizhan/autofac,csantero/Autofac,oconics/Autofac,liujunhua/Autofac,twsouthwick/Autofac,jango2015/Autofac,onovotny/Autofac,jruckert/Autofac,zmaruo/Autofac,SeriaWei/Autofac,laizhan/autofac,csantero/Autofac,autofac/Autofac,twsouthwick/Autofac,twsouthwick/Autofac,laizhan/autofac,zjmpds/Autofac,twsouthwick/Autofac,pagebrooks/Autofac,SeriaWei/Autofac,neoe1984/https-github.com-autofac-Autofac,jruckert/Autofac,pagebrooks/Autofac,LexxFedoroff/Autofac,liujunhua/Autofac,twsouthwick/Autofac