diff --git a/models/models_test.go b/models/models_test.go
index 401f63d..7c0414b 100644
--- a/models/models_test.go
+++ b/models/models_test.go
@@ -1,3 +1,7 @@
+// Copyright 2013 The Chihaya Authors. All rights reserved.
+// Use of this source code is governed by the BSD 2-Clause license,
+// which can be found in the LICENSE file.
+
 package models
 
 import (
diff --git a/models/query/query_test.go b/models/query/query_test.go
index 39adf8c..1ed2bca 100644
--- a/models/query/query_test.go
+++ b/models/query/query_test.go
@@ -1,6 +1,7 @@
 // Copyright 2013 The Chihaya Authors. All rights reserved.
 // Use of this source code is governed by the BSD 2-Clause license,
 // which can be found in the LICENSE file.
+
 package query
 
 import (