(rmail-movemail-variant-in-use): Fix doc typo.

lisp/ChangeLog

+2007-06-09  Alfred M. Szmidt  <ams@gnu.org>  (tiny change)
+
+	* mail/rmail.el (rmail-movemail-variant-in-use): Fix doc typo.
+
 2007-06-09  Davis Herring  <herring@lanl.gov>
 
 	* desktop.el (desktop-minor-mode-table): Doc fix.

lisp/mail/rmail.el

@@ -228,7 +228,7 @@ Otherwise, look for `movemail' in the directories in
   `emacs'     Means any implementation, compatible with the native Emacs one.
               This is the default;
   `mailutils' Means GNU mailutils implementation, capable of handling full
-mail URLs as the source mailbox;")
+mail URLs as the source mailbox.")
 
 ;;;###autoload
 (defun rmail-movemail-variant-p (&rest variants)