diff --git a/tests/test_constraint.py b/tests/test_constraint.py
index 614086f..a8730c1 100644
--- a/tests/test_constraint.py
+++ b/tests/test_constraint.py
@@ -1,17 +1,18 @@
-# $Copyright:
-# ----------------------------------------------------------------
-# This confidential and proprietary software may be used only as
-# authorised by a licensing agreement from ARM Limited
-#  (C) COPYRIGHT 2015 ARM Limited
-#       ALL RIGHTS RESERVED
-# The entire notice above must be reproduced on all authorised
-# copies and copies may only be made to the extent permitted
-# by a licensing agreement from ARM Limited.
-# ----------------------------------------------------------------
-# File:        test_constraint.py
-# ----------------------------------------------------------------
-# $
+#    Copyright 2015-2015 ARM Limited
 #
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 
 import pandas as pd
 import unittest