diff --git a/lib/make/alignment.js b/lib/make/alignment.js
index 229cc1c..d5668f1 100644
--- a/lib/make/alignment.js
+++ b/lib/make/alignment.js
@@ -1,3 +1,7 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 make.alignment = {
   horizontal: function () {
     return random.item(['left', 'right', 'justify', 'center'])