(send-mail-function): Fix typo in comment.

diff --git a/lisp/mail/sendmail.el b/lisp/mail/sendmail.el
index cf257a8876e8363f92696d84e83a0e29ef1532fc..a03209e5dc983ccb55176fe66d1aca5e2a696d8b 100644 (file)
--- a/lisp/mail/sendmail.el
+++ b/lisp/mail/sendmail.el
@@ -123,7 +123,7 @@ nil means let mailer mail back a message to report errors."
   :type 'regexp
   :group 'sendmail)
 
-;; Revent problems with `window-system' not having the correct value
+;; Prevent problems with `window-system' not having the correct value
 ;; when loaddefs.el is loaded. `custom-reevaluate-setting' needs the
 ;; standard value.
 ;;;###autoload