Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -4,15 +4,14 @@ Thank you for your interest in contributing to this project. Everyone is invited
 
 ## Testing
 
-We use [luacheck](https://github.com/lunarmodules/luacheck) for linting, just run `luacheck src` in the project root.
-
-Github will automatically run this check on your behalf when submitting a pull request.
+We use [luacheck](https://github.com/lunarmodules/luacheck) for linting. GitHub automatically runs this check when you open a pull request.
+If you wish, you can lint your changes yourself before pushing by running `luacheck src` in the repository root.
 
 ## Creating a Pull Request
 
-Please create a pull request with a clear explanation of what you've done (read more about pull requests [here](http://help.github.com/pull-requests/).)
+Please create a pull request targeting the `develop` branch with a clear explanation of what you've done (read more about pull requests [here](http://help.github.com/pull-requests/).)
 
-Each pull request should use a new branch, and it should be based on the `develop` branch. Your branch should be rebased/squashed into as few logical commits as possible.
+You should create a new branch for each pull request, and rebase/squash it into as few logical commits as possible.
 
 This repository generally follows the [Chris Beams standards](https://cbea.ms/git-commit/) for commit messages: