1 files changed, 1 insertions, 1 deletions
diff --git a/jack.el b/jack.el
index 4d17526..cbef8e1 100644
--- a/jack.el
+++ b/jack.el
@@ -1,4 +1,4 @@
-;;; jack.el --- Jack Audio Connection Kit support
+;;; jack.el --- Jack Audio Connection Kit support  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2005-2021  Free Software Foundation, Inc.