Minor Typos in the READMEs

Long time since I've done a PR, so I thought a refresher on how this all works would be to push up some typos I noticed reading through the new structuring.

(Excellent work on reorganizing everything btw, feels like I'm walking around a brand new home!)
The indent here makes it so that "3. You're ready to go!" shows up as a 3 instead of a 1.