diff --git a/README.md b/README.md
index 76ea958..95526e0 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,15 @@
-# Site public du club réseau
+# Calendar of all calendars: Metis
 
-[![Build Status](https://drone.rz.ens.wtf/api/badges/Klub-RZ/homepage/status.svg)](https://drone.rz.ens.wtf/Klub-RZ/homepage)
+This is a meta-calendar where you can declare multiple calendars and aggregate them from multiple trusted sources.
 
+[![Build Status](https://drone.rz.ens.wtf/api/badges/Klub-RZ/metis/status.svg)](https://drone.rz.ens.wtf/Klub-RZ/metis)
+
+## Instructions
+
+This project has only a frontend and use reverse proxies to handle multiple calendar sources and avoid CORS issues, only `npm` or similar is required, then run `npm run dev` to run the development server.
+
+**Warning** : You have to run `npm start` once first.
+
+## Deployment
+
+You only need to run `npm run build` to produce a production bundle you can serve statically, but, do not forget reverse proxies rules, take for example: <https://git.rz.ens.wtf/Klub-RZ/infrastructure/src/branch/master/machines/public-cof/nginx.nix#L3-L14>.