Update page 'Prosody Quick installation guide'

Prosody-Quick-installation-guide.md

@@ -5,17 +5,17 @@ Here a quick intallation guide for prosody on a raspbian stretch
 
 ##### ajout des sources 
 
-```
 echo deb http://packages.prosody.im/debian $(lsb_release -sc) main | sudo tee -a /etc/apt/sources.list
 wget https://prosody.im/files/prosody-debian-packages.key -O- | sudo apt-key add -
 sudo apt-get update
 sudo apt-get install prosody
-```
 Installation des modules :
 
+```
 cd /usr/lib/prosody/modules/community-mod/
 (sudo apt install hg)
 sudo hg clone https://hg.prosody.im/prosody-modules/ prosody-modules
+```
 
 
 ##### configuration apres installation 
@@ -25,4 +25,15 @@ sudo mv /etc/prosody/prosody.cfg.lua /etc/prosody/prosody.cfg.lua.bak
 
 ##### restauration des données utilisateurs
 
-/var/lib/prosody/
+/var/lib/prosody/`
+
+###### Backup
+
+There are two things you should care about primarily: your configuration and your user data.
+
+On most systems the correct paths will be:
+
+> Configuration
+>     /etc/prosody 
+> Data
+>     /var/lib/prosody