Update coqchk --help
Update coqchk --help

Zimmi48/coq,coq/coq,ejgallego/coq,coq/coq,ejgallego/coq,Zimmi48/coq,coq/coq,SkySkimmer/coq,SkySkimmer/coq,SkySkimmer/coq,Zimmi48/coq,ejgallego/coq,SkySkimmer/coq,Zimmi48/coq,coq/coq,ejgallego/coq