projects: Update the README file of the Visual Studio project
diff --git a/projects/vstudio/README.txt b/projects/vstudio/README.txt
index e28ec95..53f6b59 100644
--- a/projects/vstudio/README.txt
+++ b/projects/vstudio/README.txt
@@ -1,7 +1,7 @@
Instructions for building libpng using Microsoft Visual Studio
==============================================================
-Copyright (c) 2018 Cosmin Truta
+Copyright (c) 2018,2022 Cosmin Truta
Copyright (c) 2010,2013,2015 Glenn Randers-Pehrson
This code is released under the libpng license.
@@ -9,9 +9,9 @@
in png.h
This directory contains a solution for building libpng under Microsoft
-Visual Studio 2010. It may also work under later versions of Visual
-Studio. You should be familiar with Visual Studio before using this
-solution.
+Visual Studio 2019. It may also work under earlier or later versions
+of Visual Studio. You should be familiar with Visual Studio before
+using this solution.
Initial preparations
--------------------
