Fix grammar

Author: markstory

docs/Middleware.md

@@ -176,4 +176,4 @@ be suffixed with `Handler` suffix and reside under your app's or plugin's
 
 Configuration options are passed to the handler's `handle()` method as the last parameter.
 
-Handlers catch only those exceptions which extend `Authorization\Exception\Exception` class.
+Handlers catch only those exceptions which extend the `Authorization\Exception\Exception` class.

docs/Quick-start-and-introduction.md

@@ -82,6 +82,6 @@ the [identity stored in the request](./Checking-Authorization.md).
 
 * [Create a Policy](/docs/Policies.md)
 * [Choose a Policy Resolver](/docs/Policy-Resolvers.md)
-* [Use the Middleware](/docs/Middleware.md)
-* [Use the Component](/docs/Component.md)
+* [Using the Middleware](/docs/Middleware.md)
+* [Using the Component](/docs/Component.md)
 * [Checking Authorization](/docs/Checking-Authorization.md)