diff --git a/runtime/ftplugin/yaml.vim b/runtime/ftplugin/yaml.vim
index ceff36f..db7cbd7 100644
--- a/runtime/ftplugin/yaml.vim
+++ b/runtime/ftplugin/yaml.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin file
 " Language:             YAML (YAML Ain't Markup Language)
-" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
-" Latest Revision:      2008-07-09
+" Previous Maintainer:  Nikolai Weibull <now@bitwi.se> (inactive)
+" Last Change:      	2020 Mar 02
 
 if exists("b:did_ftplugin")
   finish
@@ -16,5 +16,10 @@
 setlocal comments=:# commentstring=#\ %s expandtab
 setlocal formatoptions-=t formatoptions+=croql
 
+if !exists("g:yaml_recommended_style") || g:yaml_recommended_style != 0
+  let b:undo_ftplugin ..= " sw< sts<"
+  setlocal shiftwidth=2 softtabstop=2
+endif
+
 let &cpo = s:cpo_save
 unlet s:cpo_save