diff --git a/subjects/doop.en.md b/subjects/doop.en.md
index 853ae8601..b79b2f617 100644
--- a/subjects/doop.en.md
+++ b/subjects/doop.en.md
@@ -45,4 +45,5 @@ student@ubuntu:~/piscine-go/test$ ./doop 1 "*" 1
 1
 student@ubuntu:~/piscine-go/test$ ./doop 1 "*" -1
 -1
+student@ubuntu:~/piscine-go/test$
 ```