Fix up some documentation for the async/detach renamings
Fix up some documentation for the async/detach renamings

xwu/swift,hooman/swift,parkera/swift,ahoppen/swift,xwu/swift,JGiola/swift,gregomni/swift,parkera/swift,rudkx/swift,roambotics/swift,tkremenek/swift,parkera/swift,glessard/swift,tkremenek/swift,parkera/swift,gregomni/swift,atrick/swift,tkremenek/swift,parkera/swift,roambotics/swift,gregomni/swift,glessard/swift,atrick/swift,apple/swift,benlangmuir/swift,roambotics/swift,rudkx/swift,glessard/swift,atrick/swift,ahoppen/swift,parkera/swift,apple/swift,hooman/swift,hooman/swift,tkremenek/swift,gregomni/swift,atrick/swift,apple/swift,hooman/swift,JGiola/swift,apple/swift,hooman/swift,xwu/swift,xwu/swift,tkremenek/swift,benlangmuir/swift,benlangmuir/swift,ahoppen/swift,hooman/swift,benlangmuir/swift,xwu/swift,benlangmuir/swift,JGiola/swift,apple/swift,ahoppen/swift,tkremenek/swift,gregomni/swift,roambotics/swift,xwu/swift,atrick/swift,roambotics/swift,glessard/swift,glessard/swift,atrick/swift,roambotics/swift,benlangmuir/swift,glessard/swift,JGiola/swift,xwu/swift,ahoppen/swift,parkera/swift,hooman/swift,rudkx/swift,rudkx/swift,JGiola/swift,ahoppen/swift,JGiola/swift,parkera/swift,rudkx/swift,tkremenek/swift,gregomni/swift,rudkx/swift,apple/swift