diff --git a/subjects/revwstr.fr.md b/subjects/revwstr.fr.md
index 246826b9..97f0e177 100644
--- a/subjects/revwstr.fr.md
+++ b/subjects/revwstr.fr.md
@@ -20,7 +20,7 @@ student@ubuntu:~/piscine-go/test$ ./test "abcdefghijklm"
 abcdefghijklm
 student@ubuntu:~/piscine-go/test$ ./test "he stared at the mountain"
 mountain the at stared he
-student@ubuntu:~/piscine-go/test$ ./test
-
-student@ubuntu:~/piscine-go/test$
+student@ubuntu:~/piscine-go/test$ ./test "" | cat-e
+$
+student@ubuntu:~/piscine-go/test$ 
 ```