Merge pull request #41734 from maliksahil/patch-8

Added some words around functions.

Author: American-Dipper

articles/active-directory/develop/v2-app-types.md

@@ -86,7 +86,7 @@ In addition to simple sign-in, a web server app might need to access another web
 
 ## Web APIs
 
-You can use the Microsoft identity platform endpoint to secure web services, such as your app's RESTful Web API. Instead of ID tokens and session cookies, a Web API uses an OAuth 2.0 access token to secure its data and to authenticate incoming requests. The caller of a Web API appends an access token in the authorization header of an HTTP request, like this:
+You can use the Microsoft identity platform endpoint to secure web services, such as your app's RESTful Web API. Web APIs can be implemented in numerous platforms and languages. They can also be implemented using HTTP Triggers in Azure Functions. Instead of ID tokens and session cookies, a Web API uses an OAuth 2.0 access token to secure its data and to authenticate incoming requests. The caller of a Web API appends an access token in the authorization header of an HTTP request, like this:
 
 ```
 GET /api/items HTTP/1.1