diff --git a/Readme.md b/Readme.md
index a33ca406c7cbbc89bdd7217050a0482ceaa7f79f..128e05e75da348c3e587383be746901f7f546b4b 100644
--- a/Readme.md
+++ b/Readme.md
@@ -7,7 +7,10 @@ This script is meant to be run by small buisness at closing time.
 
 ## Install
 
+0. Clone this repo `git clone https://gitlab.tetras-libre.fr/tetras-libre/simple_backup.sh`, if required, install git before `sudo apt-get install git`
 1. Install dependencies : `apt-get install zenity rsync`
-2. Copy `simple_backup.env.sample` to `simple_backup.env` and edit it to your needs
-3. Add a crontab entry like `0 19 * * 1-5 /path/to/simple_backup.sh`
+2. Copy `simple_backup.env.sample` to `simple_backup.env` and set directories and destination
+3. Add fstab entry to mount destination for instance for a NFS, add the following line to `/etc/fstab` : `//<serverip>/<directory>	/media/user/backup cifs user,username=<user>,password=<password> 0 0 `, adapt every field between `<>` to your needs.
+3. Add a crontab entry with command `crontab -e` like `30 18 * * * /path/to/simple_backup.sh`
+4. Allow user to shutdown : `sudo visudo` and add : `user ALL=(root) NOPASSWD: /sbin/shutdown` at the end of the file, replacing 'user' by the username of the connected user.
 
diff --git a/simple_backup.env.sample b/simple_backup.env.sample
index 37e60d6a35e18109092a4d47dfad3d09ef848795..aede4ef3dbd443df623df260602dd1274e4ec307 100644
--- a/simple_backup.env.sample
+++ b/simple_backup.env.sample
@@ -1,3 +1,3 @@
-export DIRECTORIES=""
-export DESTINATION=""
+export DIRECTORIES="/home/documents /home/bureau"
+export DESTINATION="/media/user/backup/user"
 export TIMEOUT="30"