Update README.md

Author: pavelsr

README.md

@@ -115,7 +115,7 @@ Pavel Serikov <[email protected]>
 
 # COPYRIGHT AND LICENSE
 
-This software is copyright (c) 2018 by Pavel Serikov.
+This software is copyright (c) 2020 by Pavel Serikov.
 
 This is free software; you can redistribute it and/or modify it under
 the same terms as the Perl 5 programming language system itself.