Merge pull request #701 from microsoftgraph/jasonjoh-patch-1

Corrected example of creating GraphServiceClient

Author: baywet

README.md

@@ -58,7 +58,7 @@ For an example of how to get an authentication provider, see [choose a Microsoft
 After you have set the correct application ID and URL, you must get a **GraphServiceClient** object to make requests against the service. The SDK stores the account information for you, but when a user signs in for the first time, it invokes the UI to get the user's account information.
 
 ```java
-GraphServiceClient graphClient = 
+GraphServiceClient<Request> graphClient = 
   GraphServiceClient
     .builder()
     .authenticationProvider(authenticationProvider)