1 files changed, 1 insertions, 1 deletions
diff --git a/chess.el b/chess.el
index 0e13841..b24a0e0 100644
--- a/chess.el
+++ b/chess.el
@@ -1,4 +1,4 @@
-;;; chess.el --- Play chess in GNU Emacs
+;;; chess.el --- Play chess in GNU Emacs  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2001, 2014 Free Software Foundation, Inc.