diff --git a/lisp/org-mhe.el b/lisp/org-mhe.el
index 1c694ed57..2ee21dec3 100644
--- a/lisp/org-mhe.el
+++ b/lisp/org-mhe.el
@@ -1,4 +1,4 @@
-;;; org-mhe.el --- Support for links to MH-E messages from within Org-mode
+;;; org-mhe.el --- Support for Links to MH-E Messages -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2004-2016 Free Software Foundation, Inc.