diff --git a/static/js/home.js b/static/js/home.js
index a0d4310..fd1cd13 100644
--- a/static/js/home.js
+++ b/static/js/home.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/. */
+
 if ($("#grid").length) {
     window.shuffleInstance = new window.Shuffle(document.getElementById('grid'), {
         itemSelector: '.pub__brick',
diff --git a/unsubscribe.php b/unsubscribe.php
index ba59dcc..5435ac8 100644
--- a/unsubscribe.php
+++ b/unsubscribe.php
@@ -1,5 +1,9 @@
 <?php
 
+/* 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/. */
+
 require __DIR__ . "/required.php";
 
 require __DIR__ . "/lib/iputils.php";
diff --git a/view.php b/view.php
index 5cd134a..83109ed 100644
--- a/view.php
+++ b/view.php
@@ -1,4 +1,7 @@
 <?php
+/* 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/. */
 
 $id = $_GET['id'];
 $id = filter_var($id, FILTER_SANITIZE_NUMBER_INT);