* mail/sendmail.el (mail-default-directory): Doc fix.

lisp/ChangeLog

+2010-03-28  Chong Yidong  <cyd@stupidchicken.com>
+
+	* mail/sendmail.el (mail-default-directory): Doc fix.
+
+2010-03-27  Chong Yidong  <cyd@stupidchicken.com>
+
+	* mail/sendmail.el (mail-default-directory): Doc fix.
+
 2010-03-27  Eli Zaretskii  <eliz@gnu.org>
 
 	* subr.el (version-regexp-alist, version-to-list)

lisp/mail/sendmail.el

@@ -417,9 +417,11 @@ and should insert whatever you want to insert."
 
 ;;;###autoload
 (defcustom mail-default-directory (purecopy "~/")
-  "Directory for mail buffers.
-Value of `default-directory' for mail buffers.
-This directory is used for auto-save files of mail buffers."
+  "Value of `default-directory' for Mail mode buffers.
+This directory is used for auto-save files of Mail mode buffers.
+
+Note that Message mode does not use this variable; it auto-saves
+in `message-auto-save-directory'."
   :type '(directory :tag "Directory")
   :group 'sendmail
   :version "22.1")