all: normalize copyright header 

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.