diff --git a/README.md b/README.md
index be0e775..6057ec1 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
 # os.js_ynh
-A desktop you have access through a web interface.
 
-##  État: WORKING ONLY FOR TEST
+## Description
+
+OS.js is a webdesktop written in nodejs. It allows you to have everything in the cloud, that is to say, your documents, your applications... and you can decide to make it private. Everything is stored and you can find them again each time you connect to it.
+
+##  État: WORKING
+Backup is in experimental state for this app. Same for restore and upgrade. Be careful.