readme tweak
readme tweak

slevithan/xregexp,kod3r/xregexp,mathiasbynens/xregexp,GerHobbelt/xregexp,slevithan/XRegExp,carabina/xregexp,exexzian/xregexp,BeardandFedora/xregexp,sagarrakshe/xregexp,sagarrakshe/xregexp,carabina/xregexp,vsimonian/xregexp,kod3r/xregexp,vsimonian/xregexp,slevithan/XRegExp,GerHobbelt/xregexp,Iced-Tea/xregexp,mathiasbynens/xregexp,slevithan/xregexp,cesarmarinhorj/xregexp,GerHobbelt/xregexp,Akylas/xregexp,imvijaybala/xregexp,imvijaybala/xregexp,exexzian/xregexp,mathiasbynens/xregexp,slevithan/xregexp,cesarmarinhorj/xregexp,Iced-Tea/xregexp,mathiasbynens/xregexp,Akylas/xregexp