docs: throttling is per-connection, suggest max_connections=1. BZ 998263
docs: throttling is per-connection, suggest max_connections=1. BZ 998263

henrysher/urlgrabber,Distrotech/urlgrabber,Distrotech/urlgrabber,tradej/urlgrabber,henrysher/urlgrabber,tradej/urlgrabber,henrysher/urlgrabber,Distrotech/urlgrabber,tradej/urlgrabber,Distrotech/urlgrabber,henrysher/urlgrabber