Update runtime files
diff --git a/runtime/syntax/sml.vim b/runtime/syntax/sml.vim
index 53ff12a..8f1af3f 100644
--- a/runtime/syntax/sml.vim
+++ b/runtime/syntax/sml.vim
@@ -1,9 +1,10 @@
" Vim syntax file
" Language: SML
" Filenames: *.sml *.sig
-" Maintainers: Markus Mottl <markus.mottl@gmail.com>
-" Fabrizio Zeno Cornelli <zeno@filibusta.crema.unimi.it>
-" Last Change: 2021 Oct 04
+" Maintainer: Markus Mottl <markus.mottl@gmail.com>
+" Previous Maintainer: Fabrizio Zeno Cornelli
+" <zeno@filibusta.crema.unimi.it> (invalid)
+" Last Change: 2022 Apr 01
" 2015 Aug 31 - Fixed opening of modules (Ramana Kumar)
" 2006 Oct 23 - Fixed character highlighting bug (MM)