Improve comment about deadline in dial()
Improve comment about deadline in dial()

I accidentally wrote "timeout" when I meant "deadline", but I think this
is even better.

VividCortex/pq,bugreplaydev/pq,springning/pq,lib/pq,bugreplaydev/pq,jnewmano/pq,ScriptRock/pq,beni55/pq,cbandy/go-pq,johto/pq,ympons/pq,flynn/pq,jnewmano/pq,erichnascimento/pq,calebthompson/pq,ympons/pq,dongzerun/pq,stvp/pq,everalbum/pq,amaniak/pq,henrylee2cn/pq,sammi/pq,StabbyCutyou/pq