Update yunohost.html.md

source/installation/with/yunohost.html.md

@@ -2,7 +2,7 @@
 title: Installing with YunoHost
 ---
 
-You must have a Yunohost server.
+You need to have a Yunohost server.
 
 If you don't have YunoHost, please see [here](https://yunohost.org/#/install) to know how to install and enjoy it.
 
@@ -11,10 +11,7 @@ You can install it from the [Yunohost Apps](https://yunohost.org/#/apps_en), sel
 or
 
 using from an SSH connexion to your Yunohost server: 
-```bash 
-sudo yunohost app install plume
-
-or 
 
+```bash 
 sudo yunohost app install https://github.com/YunoHost-Apps/plume_ynh
 ```