diff --git a/sys/winnt/Install.nt b/sys/winnt/Install.nt
index 2c50a4ed2..c9d13d010 100644
--- a/sys/winnt/Install.nt
+++ b/sys/winnt/Install.nt
@@ -1,4 +1,4 @@
-         Copyright (c) NetHack Development Team 1990-2019
+         Copyright (c) NetHack Development Team 1990-2020
          NetHack may be freely redistributed.  See license for details.
          ==============================================================
                   Instructions for compiling and installing