org-capture: Make messages consistent.

A very small patch that makes the message displayed consistent.

* lisp/org-capture.el (org-capture-finalize):
  Make messages consistent.

lisp/org-capture.el

@@ -527,7 +527,7 @@ bypassed."
     (when abort-note
       (cond
        ((equal abort-note 'clean)
-	(message "Capture process aborted and target file cleaned up"))
+	(message "Capture process aborted and target buffer cleaned up"))
        ((equal abort-note 'dirty)
 	(error "Capture process aborted, but target buffer could not be cleaned up correctly"))))))