diff --git a/example/basic.cpp b/example/basic.cpp
index 35f3af5..9304cf9 100644
--- a/example/basic.cpp
+++ b/example/basic.cpp
@@ -1,6 +1,6 @@
 /* Boost.MultiIndex basic example.
  *
- * Copyright 2003-2013 Joaquin M Lopez Munoz.
+ * Copyright 2003-2022 Joaquin M Lopez Munoz.
  * Distributed under the Boost Software License, Version 1.0.
  * (See accompanying file LICENSE_1_0.txt or copy at
  * http://www.boost.org/LICENSE_1_0.txt)