diff --git a/manifest.json b/manifest.json
index 042d745..b972ccf 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,8 +3,8 @@
     "id": "chitchatter",
     "packaging_format": 1,
     "description": {
-        "en": "Peer-to-peer chat app that is serverless, decentralized, and ephemeral",
-        "fr": "Application de chat peer-to-peer sans serveur, décentralisée et éphémère"
+        "en": "Peer-to-peer chat that is serverless, decentralized, and ephemeral",
+        "fr": "Chat peer-to-peer sans serveur, décentralisée et éphémère"
     },
     "version": "1.0~ynh3",
     "url": "https://chitchatter.im/",
diff --git a/scripts/upgrade b/scripts/upgrade
index feb3c79..1115c01 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -90,9 +90,9 @@ ynh_script_progression --message="Configuring the app..." --weight=10
 
 pushd $final_path
 	ynh_use_nodejs
-	npm install -g npm@latest serve
-	npm install
-	npm run build
+	ynh_exec_warn_less npm install -g npm@latest serve
+	ynh_exec_warn_less npm install
+	ynh_exec_warn_less npm run build
 popd
 
 #=================================================