diff --git a/subjects/printnbr.en.md b/subjects/printnbr.en.md
index 7f5233b4..09c2b918 100644
--- a/subjects/printnbr.en.md
+++ b/subjects/printnbr.en.md
@@ -21,12 +21,15 @@ Here is a possible program to test your function :
 ```go
 package main
 
-import piscine ".."
-
+import (
+	piscine ".."
+	"github.com/01-edu/z01"
+)
 func main() {
 	piscine.PrintNbr(-123)
 	piscine.PrintNbr(0)
 	piscine.PrintNbr(123)
+	z01.PrintRune('\n')
 }
 ```