fixes inline html markdown link in readme
fixes inline html markdown link in readme

kenzophuong/nagios-herald-1,BinLee/nagios-herald,etsy/nagios-herald,kenzophuong/nagios-herald-1,etsy/nagios-herald,BinLee/nagios-herald,kenzophuong/nagios-herald-1,BinLee/nagios-herald,etsy/nagios-herald,kenzophuong/nagios-herald-1,BinLee/nagios-herald,etsy/nagios-herald