Update runtime files
diff --git a/runtime/doc/usr_01.txt b/runtime/doc/usr_01.txt
index 2cb74d4..e8279fd 100644
--- a/runtime/doc/usr_01.txt
+++ b/runtime/doc/usr_01.txt
@@ -1,4 +1,4 @@
-*usr_01.txt* For Vim version 9.0. Last change: 2019 Nov 21
+*usr_01.txt* For Vim version 9.0. Last change: 2023 May 12
VIM USER MANUAL - by Bram Moolenaar
@@ -161,7 +161,7 @@
==============================================================================
*01.4* Copyright *manual-copyright*
-The Vim user manual and reference manual are Copyright (c) 1988-2003 by Bram
+The Vim user manual and reference manual are Copyright (c) 1988 by Bram
Moolenaar. This material may be distributed only subject to the terms and
conditions set forth in the Open Publication License, v1.0 or later. The
latest version is presently available at: