diff --git a/src/League/OAuth2/Server/Grant/GrantTypeInterface.php b/src/League/OAuth2/Server/Grant/GrantTypeInterface.php
index 5f0c4a77..2399c521 100644
--- a/src/League/OAuth2/Server/Grant/GrantTypeInterface.php
+++ b/src/League/OAuth2/Server/Grant/GrantTypeInterface.php
@@ -29,13 +29,13 @@ interface GrantTypeInterface
     public function __construct(Authorization $authServer);
 
     /**
-     * Returns the grant identifier (used to validate grant_type in OAuth2\AuthServer\issueAccessToken())
+     * Returns the grant identifier (used to validate grant_type in League\OAuth2\Server\Authorization::issueAccessToken())
      * @return string
      */
     public function getIdentifier();
 
     /**
-     * Returns the response type (used to validate response_type in OAuth2\AuthServer\checkAuthoriseParams())
+     * Returns the response type (used to validate response_type in League\OAuth2\Server\Grant\AuthCode::checkAuthoriseParams())
      * @return null|string
      */
     public function getResponseType();