diff --git a/example/tutorial8/refcounting_api.hpp b/example/tutorial8/refcounting_api.hpp
index 5df76ab..3dddf81 100644
--- a/example/tutorial8/refcounting_api.hpp
+++ b/example/tutorial8/refcounting_api.hpp
@@ -1,5 +1,5 @@
 // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
-// Copyright 2015 Antony Polukhin.
+// Copyright 2015-2017 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0.
 // (See accompanying file LICENSE_1_0.txt
diff --git a/example/tutorial8/refcounting_plugin.cpp b/example/tutorial8/refcounting_plugin.cpp
index c4fd290..3d10acd 100644
--- a/example/tutorial8/refcounting_plugin.cpp
+++ b/example/tutorial8/refcounting_plugin.cpp
@@ -1,17 +1,19 @@
 // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
-// Copyright 2015-2016 Antony Polukhin.
+// Copyright 2015-2017 Antony Polukhin.
 //
 // 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)
 
-// MinGW related workaround
-#define BOOST_DLL_FORCE_ALIAS_INSTANTIATION
 
 //[plugcpp_my_plugin_refcounting
 #include "refcounting_plugin.hpp"
 #include <boost/dll/runtime_symbol_info.hpp> // for this_line_location()
 
+/*<-*/
+// MinGW related workaround
+#define BOOST_DLL_FORCE_ALIAS_INSTANTIATION
+/*->*/
 namespace my_namespace {
 
 class my_plugin_refcounting : public my_refcounting_api {
diff --git a/example/tutorial8/tutorial8.cpp b/example/tutorial8/tutorial8.cpp
index bf464f7..420963c 100644
--- a/example/tutorial8/tutorial8.cpp
+++ b/example/tutorial8/tutorial8.cpp
@@ -1,5 +1,5 @@
 // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
-// Copyright 2015 Antony Polukhin.
+// Copyright 2015-2017 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0.
 // (See accompanying file LICENSE_1_0.txt
diff --git a/example/tutorial_common/my_plugin_api.hpp b/example/tutorial_common/my_plugin_api.hpp
index c1b20c1..66504c8 100644
--- a/example/tutorial_common/my_plugin_api.hpp
+++ b/example/tutorial_common/my_plugin_api.hpp
@@ -1,4 +1,4 @@
-// Copyright 2016 Antony Polukhin.
+// Copyright 2016-2017 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0.
 // (See accompanying file LICENSE_1_0.txt