Update copyrights
diff --git a/LICENSE b/LICENSE
index ac4b207..0209b57 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright 2015-2016, Google Inc.
+Copyright 2015, Google Inc.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without