Link patches (dotnet#4325)

aspnetcore/includes/webApi/end.md

@@ -6,7 +6,7 @@ We'll add `Create`, `Update`, and `Delete` methods to the controller. These are
 
 [!code-csharp[Main](../../tutorials/first-web-api/sample/TodoApi/Controllers/TodoController.cs?name=snippet_Create)]
 
-This is an HTTP POST method, indicated by the [`[HttpPost]`](https://docs.microsoft.com/aspnet/core/api) attribute. The [`[FromBody]`](https://docs.microsoft.com/aspnet/core/api) attribute tells MVC to get the value of the to-do item from the body of the HTTP request.
+This is an HTTP POST method, indicated by the [`[HttpPost]`](/aspnet/core/api/microsoft.aspnetcore.mvc.httppostattribute) attribute. The [`[FromBody]`](/aspnet/core/api/microsoft.aspnetcore.mvc.frombodyattribute) attribute tells MVC to get the value of the to-do item from the body of the HTTP request.
 
 The `CreatedAtRoute` method returns a 201 response, which is the standard response for an HTTP POST method that creates a new resource on the server. `CreatedAtRoute` also adds a Location header to the response. The Location header specifies the URI of the newly created to-do item. See [10.2.2 201 Created](http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html).