Update copyrights
diff --git a/examples/php/greeter_client.php b/examples/php/greeter_client.php
index 3fab14f..718ef88 100644
--- a/examples/php/greeter_client.php
+++ b/examples/php/greeter_client.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without