diff --git a/runtime/ftplugin/logtalk.vim b/runtime/ftplugin/logtalk.vim
index e71307a..667907c 100644
--- a/runtime/ftplugin/logtalk.vim
+++ b/runtime/ftplugin/logtalk.vim
@@ -1,7 +1,7 @@
 " Logtalk filetype plugin file
 " Language:         Logtalk
 " Maintainer:       Paulo Moura <pmoura@logtalk.org>
-" Latest Revision:  2007-07-06
+" Latest Revision:  2018-08-03
 
 if exists("b:did_ftplugin")
   finish
@@ -10,9 +10,10 @@
 
 let b:undo_ftplugin = "setl ts< sw< fdm< fdc< ai< dict<"
 
-"setlocal ts=4
+setlocal ts=4
 setlocal sw=4
 setlocal fdm=syntax
+setlocal fdn=10
 setlocal fdc=2
 setlocal autoindent
 setlocal dict=$VIMRUNTIME/ftplugin/logtalk.dict