diff --git a/oidc_provider/tests/test_authorize_endpoint.py b/oidc_provider/tests/test_authorize_endpoint.py
index 0deffa0..6b8619b 100644
--- a/oidc_provider/tests/test_authorize_endpoint.py
+++ b/oidc_provider/tests/test_authorize_endpoint.py
@@ -181,9 +181,9 @@ class AuthorizationCodeFlowTestCase(TestCase):
         # Because user doesn't allow app, SHOULD exists an error parameter
         # in the query.
         self.assertEqual('error=' in response['Location'], True,
-            msg='error param is missing.')
+            msg='error param is missing in query.')
         self.assertEqual('access_denied' in response['Location'], True,
-            msg='access_denied param is missing.')
+            msg='"access_denied" code is missing in query.')
 
         # Simulate user authorization.
         post_data['allow'] = 'Accept' # Should be the value of the button.
@@ -238,4 +238,4 @@ class AuthorizationImplicitFlowTestCase(TestCase):
         # Simulate that the user is logged.
         request.user = self.user
 
-        response = AuthorizeView.as_view()(request)
\ No newline at end of file
+        response = AuthorizeView.as_view()(request)