diff --git a/Makefile.rkt b/Makefile.rkt
index 3051744..25c8619 100644
--- a/Makefile.rkt
+++ b/Makefile.rkt
@@ -1,5 +1,7 @@
 #lang racket
 
+; This is a change.
+
 (require "main.rkt"
          racket/string
          git