Update runtime files
diff --git a/runtime/syntax/perl.vim b/runtime/syntax/perl.vim
index 6ac28f6..f4f9520 100644
--- a/runtime/syntax/perl.vim
+++ b/runtime/syntax/perl.vim
@@ -1,9 +1,9 @@
" Vim syntax file
" Language: Perl 5
" Maintainer: vim-perl <vim-perl@googlegroups.com>
-" Homepage: http://github.com/vim-perl/vim-perl/tree/master
-" Bugs/requests: http://github.com/vim-perl/vim-perl/issues
-" Last Change: 2017-09-12
+" Homepage: https://github.com/vim-perl/vim-perl/tree/master
+" Bugs/requests: https://github.com/vim-perl/vim-perl/issues
+" Last Change: 2020 Apr 15
" Contributors: Andy Lester <andy@petdance.com>
" Hinrik Örn Sigurðsson <hinrik.sig@gmail.com>
" Lukas Mai <l.mai.web.de>