all: normalize copyright header
diff --git a/buildscripts/checkstyle.license b/buildscripts/checkstyle.license
index fec3b71..cef19a3 100644
--- a/buildscripts/checkstyle.license
+++ b/buildscripts/checkstyle.license
@@ -1,5 +1,5 @@
/*
- * Copyright 2015, gRPC Authors All rights reserved.
+ * Copyright 2015 The gRPC Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
diff --git a/buildscripts/set_github_status.py b/buildscripts/set_github_status.py
index e8e2593..09b2ad2 100755
--- a/buildscripts/set_github_status.py
+++ b/buildscripts/set_github_status.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python2.7
#
-# Copyright 2018 gRPC authors.
+# Copyright 2018 The gRPC Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/buildscripts/sign-local-repo.sh b/buildscripts/sign-local-repo.sh
index 563b370..e2377c4 100755
--- a/buildscripts/sign-local-repo.sh
+++ b/buildscripts/sign-local-repo.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2017, gRPC Authors All rights reserved.
+# Copyright 2017 The gRPC Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/buildscripts/sonatype-upload.sh b/buildscripts/sonatype-upload.sh
index 0ef36d0..236212d 100755
--- a/buildscripts/sonatype-upload.sh
+++ b/buildscripts/sonatype-upload.sh
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright 2017, gRPC Authors All rights reserved.
+# Copyright 2017 The gRPC Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.