Fix course link

README.md

@@ -24,7 +24,7 @@ Scribe helps you generate API documentation for humans from your Laravel/Lumen/[
   - Add custom strategies to adjust how data is extracted
   - Statically define extra endpoints or information that isn't in your codebase
 
-> 👋 Scribe helps you generate docs automatically, but if you really want to make friendly, maintainable and testable API docs, there's some more things you need to know. So I made [a course](https://apidocsfordevs.com?utm_source=scribe-laravel&utm_medium=referral&utm_campaign=none) for you.🤗
+> 👋 Scribe helps you generate docs automatically, but if you really want to make friendly, maintainable and testable API docs, there's some more things you need to know. So I made [a course](https://shalvah.teachable.com/p/api-documentation-for-developers?utm_source=scribe-laravel&utm_medium=referral&utm_campaign=none) for you.🤗
 
 ## Documentation
 Check out the documentation at [scribe.knuckles.wtf/laravel](http://scribe.knuckles.wtf/laravel).