changed one sentence and realized there are a ton of contigencies

I'd love to edit directly, but this thing is a bit confusing to me. So until someone has a minute to tell me where I can edit certain things without breaking anything, I'll switch back to github issues and cry about my non committing.
OSX's the same as any other unix/linux - you tell brew (rather than yum or apt-get or whatever) to install it, and it'll end up in the right place.