diff --git a/productMods/js/visualization/visualization-helper-functions.js b/productMods/js/visualization/visualization-helper-functions.js
index 15081334..fff90383 100644
--- a/productMods/js/visualization/visualization-helper-functions.js
+++ b/productMods/js/visualization/visualization-helper-functions.js
@@ -1,3 +1,5 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
 /**
  * For rendering images dynamically.
  *