diff --git a/modules/@angular/common/src/localization.ts b/modules/@angular/common/src/localization.ts
index 5f98c744b4..471724b3ce 100644
--- a/modules/@angular/common/src/localization.ts
+++ b/modules/@angular/common/src/localization.ts
@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
 /**
  * @experimental
  */