core/homeassistant/components/mullvad/translations/bg.json

{
    "config": {
        "error": {
            "unknown": "\u041d\u0435\u043e\u0447\u0430\u043a\u0432\u0430\u043d\u0430 \u0433\u0440\u0435\u0448\u043a\u0430"
        }
    }
}