Update runtime files
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index c9db884..0b5022f 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 8.2.  Last change: 2022 Jun 07
+*options.txt*	For Vim version 8.2.  Last change: 2022 Jun 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -3402,8 +3402,9 @@
 <	This is similar to the default, except that these characters will also
 	be used when there is highlighting.
 
-	For "stl" and "stlnc" single-byte and multibyte characters are
-	supported.  But double-width characters are not supported.
+	For the "stl", "stlnc", "foldopen", "foldclose" and "foldsep" items
+	single-byte and multibyte characters are supported.  But double-width
+	characters are not supported.
 
 	The highlighting used for these items:
 	  item		highlight group ~
@@ -4954,6 +4955,9 @@
 	executing macros, registers and other commands that have not been
 	typed.  Also, updating the window title is postponed.  To force an
 	update use |:redraw|.
+	This may ocasionally cause display errors.  It is only meant to be set
+	termporarily when performaing an operation where redrawing may cause
+	flickering or cause a slow down.
 
 			*'linebreak'* *'lbr'* *'nolinebreak'* *'nolbr'*
 'linebreak' 'lbr'	boolean	(default off)