diff --git a/include/boost/beast/core/detail/tuple.hpp b/include/boost/beast/core/detail/tuple.hpp
index 5d65e9de..ee9640fb 100644
--- a/include/boost/beast/core/detail/tuple.hpp
+++ b/include/boost/beast/core/detail/tuple.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2016-2019Damian Jarek (damian dot jarek93 at gmail dot com)
+// Copyright (c) 2016-2019 Damian Jarek (damian dot jarek93 at gmail dot com)
 //
 // 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)
diff --git a/test/beast/core/_detail_tuple.cpp b/test/beast/core/_detail_tuple.cpp
index 5620e343..aae746aa 100644
--- a/test/beast/core/_detail_tuple.cpp
+++ b/test/beast/core/_detail_tuple.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2016-2019Damian Jarek (damian dot jarek93 at gmail dot com)
+// Copyright (c) 2016-2019 Damian Jarek (damian dot jarek93 at gmail dot com)
 //
 // 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)