diff --git a/ref_ct_test.cpp b/ref_ct_test.cpp
index d9af429..f072537 100644
--- a/ref_ct_test.cpp
+++ b/ref_ct_test.cpp
@@ -1,3 +1,8 @@
+// Copyright David Abrahams and Aleksey Gurtovoy
+// 2002-2004. 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)
+
 // compile-time test for "boost/ref.hpp" header content
 // see 'ref_test.cpp' for run-time part
 
diff --git a/ref_test.cpp b/ref_test.cpp
index 1cfb5dd..ef4775f 100644
--- a/ref_test.cpp
+++ b/ref_test.cpp
@@ -1,3 +1,7 @@
+// Copyright David Abrahams and Aleksey Gurtovoy
+// 2002-2004. 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)
 
 // run-time test for "boost/ref.hpp" header content
 // see 'ref_ct_test.cpp' for compile-time part