fix typo in README.md
fix typo in README.md

junegunn/fzf,stevenqzhang/fzf,d4ndo/fzf,hyiltiz/fzf,mhartington/fzf,janusnic/fzf,infokiller/fzf,janlazo/fzf,noscript/fzf,bobpattersonjr/fzf,wilywampa/fzf,hudak/fzf,d4ndo/fzf,infokiller/fzf,mhartington/fzf,me-and/fzf,NgaNguyenDuy/fzf,NgaNguyenDuy/fzf,alerque/fzf,hudak/fzf,me-and/fzf,mjwestcott/fzf,mjwestcott/fzf,tomfitzhenry/pkg-fzf,fazibear/fzf,junegunn/fzf,brosander/fzf,pokey/fzf,junegunn/fzf,gregory-nisbet/fzf,jebaum/fzf,qiemem/fzf,brosander/fzf,lululau/fzf,tomfitzhenry/pkg-fzf,jebaum/fzf,stevenqzhang/fzf,wilywampa/fzf,lululau/fzf,stuha/wbr-zsh,pokey/fzf,janlazo/fzf,brosander/fzf,gregory-nisbet/fzf,pokey/fzf,hyiltiz/fzf,d4ndo/fzf,gregory-nisbet/fzf,mhartington/fzf,alerque/fzf,fazibear/fzf,qiemem/fzf,qiemem/fzf,janlazo/fzf,janusnic/fzf,noscript/fzf,janusnic/fzf,bobpattersonjr/fzf,NgaNguyenDuy/fzf,wilywampa/fzf,me-and/fzf,jebaum/fzf,bobpattersonjr/fzf,lululau/fzf,mjwestcott/fzf,infokiller/fzf,noscript/fzf,alerque/fzf,hyiltiz/fzf,stevenqzhang/fzf,fazibear/fzf,tomfitzhenry/pkg-fzf,hudak/fzf