Update runtime files
diff --git a/runtime/indent/rhelp.vim b/runtime/indent/rhelp.vim
index f68c090..334802a 100644
--- a/runtime/indent/rhelp.vim
+++ b/runtime/indent/rhelp.vim
@@ -2,7 +2,7 @@
 " Language:	R Documentation (Help), *.Rd
 " Author:	Jakson Alves de Aquino <jalvesaq@gmail.com>
 " Homepage:     https://github.com/jalvesaq/R-Vim-runtime
-" Last Change:	Feb 25, 2023
+" Last Change:	Mon Feb 27, 2023  07:01PM
 
 
 " Only load this indent file when no other was loaded.
@@ -20,7 +20,7 @@
 setlocal indentkeys=0{,0},:,!^F,o,O,e
 setlocal indentexpr=GetCorrectRHelpIndent()
 
-let b:undo_indent = "setl ai< cin< inde< indk< <lisp <si"
+let b:undo_indent = "setl ai< cin< inde< indk< lisp< si<"
 
 " Only define the functions once.
 if exists("*GetRHelpIndent")