docs: fix link

docs/docs/getting_started/index.mdx

@@ -26,7 +26,7 @@ This section provides a high-level overview of setting up the OAuth2 server.
 1. Install the package
 1. Implement [Entities](./entities.md)
 1. Implement [Repositories](./repositories.mdx)
-1. Set up the [AuthorizationServer](#the-authorization-server) with desired grant types
+1. Set up the [AuthorizationServer](#setup-the-authorization-server) with desired grant types
 1. Implement the [Endpoints](../endpoints/index.mdx)
 
 ### Installation