diff --git a/broker/websocket/authorizer.go b/broker/websocket/authorizer.go
index 0d2c311..fc75e91 100644
--- a/broker/websocket/authorizer.go
+++ b/broker/websocket/authorizer.go
@@ -1,3 +1,11 @@
+//
+// Copyright (C) 2021 - 2024 Dmitry Kolesnikov
+//
+// This file may be modified and distributed under the terms
+// of the Apache License Version 2.0. See the LICENSE file for details.
+// https://github.com/fogfish/swarm
+//
+
 package websocket
 
 import (
diff --git a/broker/websocket/authorizer_test.go b/broker/websocket/authorizer_test.go
index 0413596..9f60416 100644
--- a/broker/websocket/authorizer_test.go
+++ b/broker/websocket/authorizer_test.go
@@ -1,3 +1,11 @@
+//
+// Copyright (C) 2021 - 2024 Dmitry Kolesnikov
+//
+// This file may be modified and distributed under the terms
+// of the Apache License Version 2.0. See the LICENSE file for details.
+// https://github.com/fogfish/swarm
+//
+
 package websocket
 
 import (