diff --git a/layers/threading.h b/layers/threading.h
index 6c3a055..3188161 100644
--- a/layers/threading.h
+++ b/layers/threading.h
@@ -2,24 +2,17 @@
  * Copyright (c) 2015-2016 Valve Corporation
  * Copyright (c) 2015-2016 LunarG, Inc.
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and/or associated documentation files (the "Materials"), to
- * deal in the Materials without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Materials, and to permit persons to whom the Materials
- * are furnished to do so, subject to the following conditions:
+ * 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
  *
- * The above copyright notice(s) and this permission notice shall be included
- * in all copies or substantial portions of the Materials.
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- *
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
- * USE OR OTHER DEALINGS IN THE MATERIALS
+ * 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.
  *
  * Author: Cody Northrop <cody@lunarg.com>
  * Author: Mike Stroyan <mike@LunarG.com>