Leanpub's localization (the contents of our web pages and books and courses that are in languages other than our main language, English) is largely a result of contributions from our community of authors around the world. Thank you!
If you have a suggestion for a change, correction, or an improvement to Leanpub's localization in a language you know well, you can make a pull request on this public GitHub repository:
Here is the README for the repo:
Thanks again! We really appreciate contributions to our localization.