Fix a typo in rmail.texi

* doc/emacs/rmail.texi (Rmail Summary Edit): Add markup to 'nil'.
(Bug#31533)

diff --git a/doc/emacs/rmail.texi b/doc/emacs/rmail.texi
index 0a8bf7cc2673eb1462f2461a2343966180fa2ce3..c0ea12f6226b29f3ab13534df21dbfd45398fad1 100644 (file)
--- a/doc/emacs/rmail.texi
+++ b/doc/emacs/rmail.texi
@@ -999,8 +999,8 @@ summary buffer using @key{SPC} and @key{DEL}.  However, in the summary
 buffer scrolling past the end or the beginning of a message with
 @key{SPC} or @key{DEL} goes, respectively, to the next or previous
 undeleted message.  Customize the
-@code{rmail-summary-scroll-between-messages} option to nil to disable
-scrolling to next/previous messages.
+@code{rmail-summary-scroll-between-messages} option to @code{nil} to
+disable scrolling to next/previous messages.
 
 @findex rmail-summary-undelete-many
 @kbd{M-u} (@code{rmail-summary-undelete-many}) undeletes all deleted