Minor users-guide markup fixup [skip ci]
Minor users-guide markup fixup [skip ci]

olsner/ghc,ezyang/ghc,nushio3/ghc,olsner/ghc,shlevy/ghc,snoyberg/ghc,olsner/ghc,ezyang/ghc,sgillespie/ghc,tjakway/ghcjvm,vTurbine/ghc,mettekou/ghc,sgillespie/ghc,snoyberg/ghc,ezyang/ghc,mettekou/ghc,mcschroeder/ghc,mettekou/ghc,snoyberg/ghc,tjakway/ghcjvm,vTurbine/ghc,vTurbine/ghc,ezyang/ghc,tjakway/ghcjvm,sdiehl/ghc,nushio3/ghc,mcschroeder/ghc,shlevy/ghc,shlevy/ghc,sgillespie/ghc,mcschroeder/ghc,vikraman/ghc,tjakway/ghcjvm,vikraman/ghc,vTurbine/ghc,sdiehl/ghc,nushio3/ghc,nushio3/ghc,oldmanmike/ghc,shlevy/ghc,vikraman/ghc,mcschroeder/ghc,snoyberg/ghc,nushio3/ghc,mettekou/ghc,ezyang/ghc,snoyberg/ghc,ezyang/ghc,mcschroeder/ghc,oldmanmike/ghc,snoyberg/ghc,shlevy/ghc,sdiehl/ghc,sgillespie/ghc,sdiehl/ghc,shlevy/ghc,olsner/ghc,vTurbine/ghc,oldmanmike/ghc,oldmanmike/ghc,vikraman/ghc,oldmanmike/ghc,mettekou/ghc,tjakway/ghcjvm,mettekou/ghc,olsner/ghc,sdiehl/ghc,vikraman/ghc,tjakway/ghcjvm,mettekou/ghc,vikraman/ghc,vikraman/ghc,mcschroeder/ghc,sgillespie/ghc,vTurbine/ghc,sgillespie/ghc,tjakway/ghcjvm,nushio3/ghc,olsner/ghc,nushio3/ghc,mcschroeder/ghc,shlevy/ghc,snoyberg/ghc,vTurbine/ghc,oldmanmike/ghc,olsner/ghc,sdiehl/ghc,oldmanmike/ghc,sgillespie/ghc,ezyang/ghc,sdiehl/ghc