diff --git a/subjects/popint/README.md b/subjects/popint/README.md
index 8cbf7004..1a00090f 100644
--- a/subjects/popint/README.md
+++ b/subjects/popint/README.md
@@ -25,7 +25,7 @@ import (
 )
 
 func main() {
-    ints := {6,7,8,9,}
+    ints := {6, 7, 8, 9,}
     l := piscine.PopInt(ints)
     fmt.Println(l)
 }