diff --git a/src/proto/grpc/health/v1/health.proto b/src/proto/grpc/health/v1/health.proto
index bcc02f8ac83..4b4677b8a4d 100644
--- a/src/proto/grpc/health/v1/health.proto
+++ b/src/proto/grpc/health/v1/health.proto
@@ -1,5 +1,4 @@
-// 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.