diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index e2ce176..4024d20 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -5638,22 +5638,24 @@
 'messagesopt' 'mopt'	string	(default "hit-enter,history:500")
 			global
 
-	Option settings when outputting messages.  It can consist of the
+	Option settings for outputting messages.  It can consist of the
 	following items.  Items must be separated by a comma.
 
-	hit-enter	Use |hit-enter| prompt when the message is longer than
+	hit-enter	Use a |hit-enter| prompt when the message is longer than
 			'cmdheight' size.
 
-	wait:{n}	Ignored when "hit-enter" is present.  Instead of using
-			|hit-enter| prompt, will simply wait for {n}
-			milliseconds so the user has a chance to read the
-			message, use 0 to disable sleep (but then the user may
-			miss an important message).
-			The maximum value is 10000.
+	wait:{n}	Instead of using a |hit-enter| prompt, simply wait for
+			{n} milliseconds so that the user has a chance to read
+			the message.  The maximum value of {n} is 10000.  Use
+			0 to disable the wait (but then the user may miss an
+			important message).
+			This item is ignored when "hit-enter" is present, but
+			required when "hit-enter" is not present.
 
 	history:{n}	Determines how many entries are remembered in the
 			|:messages| history.  The maximum value is 10000.
 			Setting it to zero clears the message history.
+			This item must always be present.
 
 						*'mkspellmem'* *'msm'*
 'mkspellmem' 'msm'	string	(default "460000,2000,500")
diff --git a/runtime/optwin.vim b/runtime/optwin.vim
index c3f917c..2b12f55 100644
--- a/runtime/optwin.vim
+++ b/runtime/optwin.vim
@@ -1,7 +1,7 @@
 " These commands create the option window.
 "
 " Maintainer:	The Vim Project <https://github.com/vim/vim>
-" Last Change:	2024 Jul 12
+" Last Change:	2024 Dec 07
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " If there already is an option window, jump to that one.
@@ -749,7 +749,7 @@
 call <SID>BinOptionG("terse", &terse)
 call <SID>AddOption("shortmess", gettext("list of flags to make messages shorter"))
 call <SID>OptionG("shm", &shm)
-call <SID>AddOption("messagesopt", gettext("Option settings when outputting messages"))
+call <SID>AddOption("messagesopt", gettext("options for outputting messages"))
 call <SID>OptionG("mopt", &mopt)
 call <SID>AddOption("showcmd", gettext("show (partial) command keys in location given by 'showcmdloc'"))
 let &sc = s:old_sc