diff --git a/src/utils/timeFormatting.ts b/src/utils/timeFormatting.ts
index 8d052e95..2f2ae8c0 100644
--- a/src/utils/timeFormatting.ts
+++ b/src/utils/timeFormatting.ts
@@ -1,3 +1,19 @@
+/*
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 export enum TimeScope {
     Minute = 60 * 1000,
     Hours = 60 * TimeScope.Minute,