diff --git a/subjects/union.en.md b/subjects/union.en.md
index a482da95..cef251e5 100644
--- a/subjects/union.en.md
+++ b/subjects/union.en.md
@@ -16,7 +16,7 @@ student@ubuntu:~/[[ROOT]]/union$ ./union zpadinton paqefwtdjetyiytjneytjoeyjneje
 zpadintoqefwjy$
 student@ubuntu:~/[[ROOT]]/union$ ./union ddf6vewg64f gtwthgdwthdwfteewhrtag6h4ffdhsd | cat -e
 df6vewg4thras$
-student@ubuntu:~/[[ROOT]]/union$ ./union rien cettephrasenecacherien | cat -e
+student@ubuntu:~/[[ROOT]]/union$ ./union rien "cette phrase ne cache rien" | cat -e
 riencthas$
 student@ubuntu:~/[[ROOT]]/union$ ./union | cat -e
 $