diff --git a/include/boost/type_traits/make_signed.hpp b/include/boost/type_traits/make_signed.hpp
index aefd7f3..a44a640 100644
--- a/include/boost/type_traits/make_signed.hpp
+++ b/include/boost/type_traits/make_signed.hpp
@@ -1,5 +1,5 @@
 
-//  (C) John Maddock 2007.
+//  (C) Copyright John Maddock 2007.
 //  Use, modification and distribution are subject to 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).
@@ -134,3 +134,4 @@ BOOST_TT_AUX_TYPE_TRAIT_DEF1(make_signed,T,typename boost::detail::make_signed_i
 #include <boost/type_traits/detail/type_trait_undef.hpp>
 
 #endif // BOOST_TT_ADD_REFERENCE_HPP_INCLUDED
+
diff --git a/include/boost/type_traits/make_unsigned.hpp b/include/boost/type_traits/make_unsigned.hpp
index cd04b67..5695c7f 100644
--- a/include/boost/type_traits/make_unsigned.hpp
+++ b/include/boost/type_traits/make_unsigned.hpp
@@ -1,5 +1,5 @@
 
-//  (C) John Maddock 2007.
+//  (C) Copyright John Maddock 2007.
 //  Use, modification and distribution are subject to 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).
@@ -134,3 +134,4 @@ BOOST_TT_AUX_TYPE_TRAIT_DEF1(make_unsigned,T,typename boost::detail::make_unsign
 #include <boost/type_traits/detail/type_trait_undef.hpp>
 
 #endif // BOOST_TT_ADD_REFERENCE_HPP_INCLUDED
+