diff --git a/v1/lib/static/js/codetabs.js b/v1/lib/static/js/codetabs.js
index 4f2ca27412..dd01ebf20c 100644
--- a/v1/lib/static/js/codetabs.js
+++ b/v1/lib/static/js/codetabs.js
@@ -1,3 +1,10 @@
+/**
+ * Copyright (c) 2017-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
 // Turn off ESLint for this file because it's sent down to users as-is.
 /* eslint-disable */
 window.addEventListener('load', function() {