diff --git a/main.rkt b/main.rkt
index 4dec8ae..595a376 100644
--- a/main.rkt
+++ b/main.rkt
@@ -1,4 +1,6 @@
-#language racket/base
+#lang racket/base
 
 (require "sprintf.rkt")
-(provide (all from "sprintf.rkt'))
+(provide
+ (all-from-out "sprintf.rkt")
+)