diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 53d4e8a..a439234 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -7496,7 +7496,7 @@
 	For more information about this feature see |undo-persistence|.
 	The undo file is not read when 'undoreload' causes the buffer from
 	before a reload to be saved for undo.
-	WARNING: this is a very new feature.  Use at your own risk!
+	When 'undofile' is turned off the undo file is NOT deleted.
 
 						*'undolevels'* *'ul'*
 'undolevels' 'ul'	number	(default 100, 1000 for Unix, VMS,