gnus-news.texi: Mention new archive defaults.

doc/misc/ChangeLog

+2010-10-21  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+	* gnus-news.texi: Mention new archive defaults.
+
 2010-10-21  Katsumi Yamaoka  <yamaoka@jpl.org>
 
 	* gnus.texi (RSS): Remove nnrss-wash-html-in-text-plain-parts.

doc/misc/gnus-news.texi

@@ -224,6 +224,9 @@ that are accessible from the article buffer.
 @item Changes in Message mode
 
 @itemize @bullet
+@item Gnus now defaults to saving all outgoing messages in per-month
+nnfolder archives.
+
 @item Gnus now supports the ``hashcash'' client puzzle anti-spam mechanism.
 Use @code{(setq message-generate-hashcash t)} to enable.
 @xref{Hashcash}.