diff --git a/conf/config.json b/conf/config.json
index 54aecd3..bf5e9a2 100644
--- a/conf/config.json
+++ b/conf/config.json
@@ -228,7 +228,7 @@
     "ReplyToAddress": "",
     "FeedbackOrganization": "",
     "EnableSMTPAuth": false,
-    "SMTPUsername": "__USER__",
+    "SMTPUsername": "mattermost",
     "SMTPPassword": "__USER_PW__",
     "SMTPServer": "localhost",
     "SMTPPort": "25",
diff --git a/manifest.json b/manifest.json
index f628a74..b946125 100644
--- a/manifest.json
+++ b/manifest.json
@@ -40,7 +40,7 @@
                     "fr": "Choisissez un chemin pour Mattermost"
                 },
                 "example": "/mattermost",
-                "default": "/mattermost"
+                "default": "/chat"
             },
             {
                 "name": "is_public",
diff --git a/scripts/install b/scripts/install
index 77505c4..ef8f81f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -74,7 +74,6 @@ ynh_script_progression --message="Creating a MySQL database..." --weight=10
 
 db_name=$(ynh_sanitize_dbid --db_name=$app)
 db_user=$db_name
-#db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 
 ynh_app_setting_set --app=$app --key=db_name --value=$db_name
 ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
@@ -134,15 +133,12 @@ cp ../conf/config.json $final_path/config/config.json
 # Main config File
 ynh_replace_string --match_string="__URL__" --replace_string="https://$domain$path_url" --target_file="$final_path/config/config.json"
 ynh_replace_string --match_string="__PORT__"  --replace_string="127.0.0.1:$port" --target_file="$final_path/config/config.json"
-ynh_replace_string --match_string="__DB_NAME__" --replace_string=$db_name --target_file="$final_path/config/config.json"
-ynh_replace_string --match_string="__DB_USER__" --replace_string=$db_user --target_file="$final_path/config/config.json"
-ynh_replace_string --match_string="__DB_PASS__" --replace_string=$db_pwd --target_file="$final_path/config/config.json"
-ynh_replace_string --match_string="__DATA__" --replace_string=$data_path --target_file="$final_path/config/config.json"
-
+ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/config/config.json"
+ynh_replace_string --match_string="__DB_USER__" --replace_string="$db_user" --target_file="$final_path/config/config.json"
+ynh_replace_string --match_string="__DB_PASS__" --replace_string="$db_pwd" --target_file="$final_path/config/config.json"
+ynh_replace_string --match_string="__DATA__" --replace_string="$data_path" --target_file="$final_path/config/config.json"
 ynh_replace_string --match_string="__FEEDBACK__" --replace_string="no-reply@${domain}" --target_file="$final_path/config/config.json"
-ynh_replace_string --match_string="__USER__" --replace_string="$app" --target_file="$final_path/config/config.json"
 ynh_replace_string --match_string="__USER_PW__" --replace_string="$(ynh_string_random --length=24)" --target_file="$final_path/config/config.json"
-
 ynh_replace_string --match_string="__LOG__" --replace_string="$logs_path" --target_file="$final_path/config/config.json"
 ynh_replace_string --match_string="__LANGUAGE__" --replace_string="$language" --target_file="$final_path/config/config.json"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index afd924d..5a6a4f0 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -59,29 +59,6 @@ if ! [[ "$port" ]]; then
   ynh_app_setting_set --app=$app --key=port --value=$port
 fi
 
-# # Language if not present
-# if ! [[ "$language" ]]; then
-#   language="en"
-#   ynh_app_setting_set --app=$app --key=language --value=$language
-# fi
-
-# # Cleaning legacy permissions
-# if ynh_legacy_permissions_exists; then
-#   ynh_legacy_permissions_delete_all
-
-#   ynh_app_setting_delete --app=$app --key=is_public
-# fi
-
-# if ! ynh_permission_exists --permission="admin"; then
-#   # Create the required permissions
-#   ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
-# fi
-
-# # Create a permission if needed
-# if ! ynh_permission_exists --permission="api"; then
-#   ynh_permission_create --permission="api" --url "/api" --allowed="visitors" --show_tile="false" --protected="true"
-# fi
-
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================