diff --git a/scripts/rollup/shims/facebook-www/findDOMNode.js b/scripts/rollup/shims/facebook-www/findDOMNode.js
index 679370a79f..a18b799228 100644
--- a/scripts/rollup/shims/facebook-www/findDOMNode.js
+++ b/scripts/rollup/shims/facebook-www/findDOMNode.js
@@ -3,6 +3,9 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ * @format
  */
 
 'use strict';