Contribute to the book
This book has been developed in the open, and it wouldn't be nearly as good without your contributions. There are a number of ways you can help make the book even better:
If you don't understand something, please . Your feedback on what is confusing or hard to understand is valuable.
If you spot a typo, feel free to edit the underlying page and send a pull request. If you've never done this before, the process is very easy.