diff --git a/packages/frontend/src/pages/settings/timelineHeader.vue b/packages/frontend/src/pages/settings/timelineHeader.vue
index b796f97ca1..a7f8b42857 100644
--- a/packages/frontend/src/pages/settings/timelineHeader.vue
+++ b/packages/frontend/src/pages/settings/timelineHeader.vue
@@ -1,3 +1,7 @@
+<!--
+SPDX-FileCopyrightText: syuilo and misskey-project
+SPDX-License-Identifier: AGPL-3.0-only
+-->
 <template>
 <div class="_gaps_m">
 	<FormSlot>