diff --git a/LICENSE.md b/LICENSE.md
index 9a7e454..7b1f40a 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018 Matvey Cherevko
+Copyright (C) 2018-2019, by Matvey Cherevko (blackmatov@gmail.com)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/ecs.hpp b/ecs.hpp
index d72c9f4..7618284 100644
--- a/ecs.hpp
+++ b/ecs.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/ecs.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2018 Matvey Cherevko
+ * Copyright (C) 2018-2019, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/ecs_tests.cpp b/ecs_tests.cpp
index 0cf61ad..2a3e690 100644
--- a/ecs_tests.cpp
+++ b/ecs_tests.cpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/ecs.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2018 Matvey Cherevko
+ * Copyright (C) 2018-2019, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #define CATCH_CONFIG_FAST_COMPILE