Improvement for Authorization in Extending Kubernetes docs.

Improvement: Corrected the link for Authorization.

Fix Typo

Author: Shubham82

content/en/docs/concepts/extend-kubernetes/_index.md

@@ -145,7 +145,7 @@ Kubernetes provides several built-in authentication methods, and an [Authenticat
 
 ### Authorization
 
-[Authorization](/docs/reference/access-authn-authz/webhook/) determines whether specific users can read, write, and do other operations on API resources. It works at the level of whole resources -- it doesn't discriminate based on arbitrary object fields. If the built-in authorization options don't meet your needs, and [Authorization webhook](/docs/reference/access-authn-authz/webhook/) allows calling out to user-provided code to make an authorization decision.
+[Authorization](/docs/reference/access-authn-authz/authorization/) determines whether specific users can read, write, and do other operations on API resources. It works at the level of whole resources -- it doesn't discriminate based on arbitrary object fields. If the built-in authorization options don't meet your needs, [Authorization webhook](/docs/reference/access-authn-authz/webhook/) allows calling out to user-provided code to make an authorization decision.
 
 
 ### Dynamic Admission Control