diff --git a/HowtoCeph.md b/HowtoCeph.md
index 09453a61..2be11101 100644
--- a/HowtoCeph.md
+++ b/HowtoCeph.md
@@ -85,7 +85,7 @@ On commence par installer `ceph-deploy`, l'outil qui permet de déployer un clus
 
 ~~~
 # wget -q -O- 'https://download.ceph.com/keys/release.asc' | sudo apt-key add -
-# deb https://download.ceph.com/debian-luminous/ $(lsb_release -sc) main | sudo tee /etc/apt/sources.list.d/ceph.list
+# echo deb https://download.ceph.com/debian-luminous/ $(lsb_release -sc) main | sudo tee /etc/apt/sources.list.d/ceph.list
 # apt update && sudo apt install ceph-deploy
 ~~~