diff --git a/ts/editor-toolbar/helpers.ts b/ts/editor-toolbar/helpers.ts
index 33fa31bec..b75213c28 100644
--- a/ts/editor-toolbar/helpers.ts
+++ b/ts/editor-toolbar/helpers.ts
@@ -1,3 +1,5 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 export function mergeTooltipAndShortcut(
     tooltip: string | undefined,
     shortcutLabel: string | undefined
diff --git a/ts/lib/shortcuts.ts b/ts/lib/shortcuts.ts
index 9426fc169..deae8ed9f 100644
--- a/ts/lib/shortcuts.ts
+++ b/ts/lib/shortcuts.ts
@@ -1,3 +1,5 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 import * as tr from "./i18n";
 
 const modifiers = ["Control", "Alt", "Shift", "Meta"];