Add reference to varnish-counters(7).
Add reference to varnish-counters(7).

franciscovg/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,feld/Varnish-Cache,varnish/Varnish-Cache,feld/Varnish-Cache,feld/Varnish-Cache,feld/Varnish-Cache,varnish/Varnish-Cache,feld/Varnish-Cache,franciscovg/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,franciscovg/Varnish-Cache,varnish/Varnish-Cache,franciscovg/Varnish-Cache,franciscovg/Varnish-Cache,varnish/Varnish-Cache,varnish/Varnish-Cache