Remove nonsense sentence in doc for refine
Remove nonsense sentence in doc for refine

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