diff --git a/lib/PayPal/Auth/OAuthTokenCredential.php b/lib/PayPal/Auth/OAuthTokenCredential.php
index e5d375d..022c05e 100644
--- a/lib/PayPal/Auth/OAuthTokenCredential.php
+++ b/lib/PayPal/Auth/OAuthTokenCredential.php
@@ -6,9 +6,9 @@ namespace PayPal\Auth;
  * Oauth Token credential
  *
  */
-use PayPal\Rest\RestHandler;
+use PayPal\Rest\RestHandler;
 
-use PayPal\Common\UserAgent;
+use PayPal\Common\UserAgent;
 
 class OAuthTokenCredential {
 	
@@ -124,7 +124,7 @@ class OAuthTokenCredential {
 					throw new \PPConfigurationException('The mode config parameter must be set to either sandbox/live');
 			}
 		} else {
-			throw new PPConfigurationException('You must set one of service.endpoint or mode parameters in your configuration');
+			throw new \PPConfigurationException('You must set one of service.endpoint or mode parameters in your configuration');
 		}		
 		
 		$baseEndpoint = rtrim(trim($baseEndpoint), '/');