diff --git a/README.md b/README.md
index 9ccdc55..4019119 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,10 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 
 ## Overview
 
-A shared agenda for local communities, federated with the fediverse.
+This app provide an online agenda open to contributions, and federated with the fediverse using ActivityPub.
+
+*Note that this package is still work in progress, don't consider it as stable.*
+
 
 **Shipped version:** 1.6.10~ynh1
 
diff --git a/README_fr.md b/README_fr.md
index 47becfe..48a9a23 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -16,7 +16,10 @@ Si vous n’avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) po
 
 ## Vue d’ensemble
 
-Un agenda partagé pour les communautés locales, fédéré avec le fédiverse.
+This app provide an online agenda open to contributions, and federated with the fediverse using ActivityPub.
+
+*Note that this package is still work in progress, don't consider it as stable.*
+
 
 **Version incluse :** 1.6.10~ynh1