docs(README): update link to docs (#149)

Co-authored-by: Paul Nallet <paul@copromatic.com>

Author: paul-nallet

README.md

@@ -8,7 +8,7 @@
 Social authentication provider for AdonisJS. Supports **Github**, **Google**, **Twitter**, **Facebook**, **Discord**, **Spotify**, and **LinkedIn**.
 
 ## Official Documentation
-The documentation is available on the [AdonisJS website](https://docs.adonisjs.com/guides/social_auth)
+The documentation is available on the [AdonisJS website](https://docs.adonisjs.com/guides/social-auth)
 
 ## Contributing
 One of the primary goals of AdonisJS is to have a vibrant community of users and contributors who believes in the principles of the framework.