diff --git a/scripts/pi-hole/js/debug.js b/scripts/pi-hole/js/debug.js
index a000ba32..6e6009f8 100644
--- a/scripts/pi-hole/js/debug.js
+++ b/scripts/pi-hole/js/debug.js
@@ -1,3 +1,10 @@
+/* Pi-hole: A black hole for Internet advertisements
+*  (c) 2017 Pi-hole, LLC (https://pi-hole.net)
+*  Network-wide ad blocking via your own hardware.
+*
+*  This file is copyright under the latest version of the EUPL.
+*  Please see LICENSE file for your rights under this license. */
+
 /* global ActiveXObject: false */
 
 // Credit: http://stackoverflow.com/a/10642418/2087442