From be0696ee0ad834a5b538962ee7e8820f4e220c3c Mon Sep 17 00:00:00 2001
From: Christopher Fremond <34804391+Frenchris@users.noreply.github.com>
Date: Wed, 6 Nov 2019 05:26:12 +0000
Subject: [PATCH] Update printhex.en.md

---
 subjects/printhex.en.md | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/subjects/printhex.en.md b/subjects/printhex.en.md
index 92ca005eb..c1bdcd45a 100644
--- a/subjects/printhex.en.md
+++ b/subjects/printhex.en.md
@@ -5,6 +5,7 @@
 Write a program that takes a positive (or zero) number expressed in base 10, and displays it in base 16 (with lowercase letters) followed by a newline (`'\n'`).
 
 -   If the number of parameters is different from 1, the program displays a newline.
+-   Error cases have to be handled as shown in the example below. 
 
 ### Usage
 
@@ -16,7 +17,9 @@ student@ubuntu:~/piscine-go/test$ ./test "255"
 ff
 student@ubuntu:~/piscine-go/test$ ./test "5156454"
 4eae66
-student@ubuntu:~/piscine-go/test$
+student@ubuntu:~/piscine-go/test$ ./test
 
-student@ubuntu:~/piscine-go/
+student@ubuntu:~/piscine-go/test$ ./test "123 132 1" | cat -e
+0$
+student@ubuntu:~/piscine-go/test$ 
 ```