diff --git a/README.md b/README.md
index dc0c3c2..6f760f4 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Mastodon for YunoHost
 
 [![Integration level](https://dash.yunohost.org/integration/mastodon.svg)](https://dash.yunohost.org/appci/app/mastodon) ![](https://ci-apps.yunohost.org/ci/badges/mastodon.status.svg) ![](https://ci-apps.yunohost.org/ci/badges/mastodon.maintain.svg)    
-[![Install Mastodon with YunoHost](https://install-app.yunohost.org/install-with-yunohost.png)](https://install-app.yunohost.org/?app=mastodon)
+[![Install Mastodon with YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=mastodon)
 
 *[Lire ce readme en français.](./README_fr.md)*
 
diff --git a/scripts/install b/scripts/install
index d4d51d9..a005eba 100644
--- a/scripts/install
+++ b/scripts/install
@@ -62,7 +62,7 @@ ynh_app_setting_set --app=$app --key=language --value=$language
 #=================================================
 # FIND AND OPEN A PORT
 #=================================================
-ynh_script_progression --message="Configuring firewall..."
+ynh_script_progression --message="Finding an available port..."
 
 # Find an available port
 port_web=$(ynh_find_port --port=3000)