runtime: Remove Brams name from a few more runtime files (#12780)

syntax/model.vim: minor wording improvement

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Adri Verhoef <a3@a3.xs4all.nl>
diff --git a/runtime/tutor/tutor.vim b/runtime/tutor/tutor.vim
index dc69724..809fd1d 100644
--- a/runtime/tutor/tutor.vim
+++ b/runtime/tutor/tutor.vim
@@ -1,7 +1,7 @@
 " Vim tutor support file
-" Author: Eduardo F. Amatria <eferna1@platea.pntic.mec.es>
-" Maintainer: Bram Moolenaar
-" Last Change:	2019 Nov 11
+" Author:	Eduardo F. Amatria <eferna1@platea.pntic.mec.es>
+" Maintainer:	The·Vim·Project·<https://github.com/vim/vim>
+" Last Change:	2023 Aug 13
 
 " This Vim script is used for detecting if a translation of the
 " tutor file exist, i.e., a tutor.xx file, where xx is the language.