"much" could mean anything, from "what's a PR?" https://guides.github.com/activities/hello-world/ https://guides.github.com/activities/hello-world/ to "what's

"much" could mean anything, from "what's a PR?" https://guides.github.com/activities/hello-world/ https://guides.github.com/activities/hello-world/ to "what's good etiquette for contributing to open source projects?", I'd say: add as much information as possible to your PR, why it does what it does, how it does it, etc.