Output Jack Wiring

I don't know much about electric guitars or wiring; can anyone tell me which way to solder the wires from a guitar (just a white and a black)
to a simple mono output jack, or if it matters at all? I'm pretty sure it doesn't matter, but I want to be cautious.

The black wire goes to "ground"; the part that connects to the outer jack.
The white wire goes to "signal"; the inner part of the jack.

In any case if u find that the guitar hum is louder, switch the wires around.