diff --git a/include/boost/detail/numeric_traits.hpp b/include/boost/detail/numeric_traits.hpp
index f8cbf36..6325d70 100644
--- a/include/boost/detail/numeric_traits.hpp
+++ b/include/boost/detail/numeric_traits.hpp
@@ -1,15 +1,8 @@
-// (C) Copyright David Abrahams 2001. Permission to copy, use, modify,
-// sell and distribute this software is granted provided this
-// copyright notice appears in all copies. This software is provided
-// "as is" without express or implied warranty, and with no claim as
-// to its suitability for any purpose.
+// (C) Copyright David Abrahams 2001, Howard Hinnant 2001.
 //
-// Template class is_signed and its documentation is:
-// (C) Copyright Howard Hinnant 2001. Permission to copy, use, modify,
-// sell and distribute this software is granted provided this
-// copyright notice appears in all copies. This software is provided
-// "as is" without express or implied warranty, and with no claim as
-// to its suitability for any purpose.
+// 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)
 //
 // Template class numeric_traits<Number> --
 //