core/homeassistant/components/nightscout/translations/en.json

{
    "config": {
        "abort": {
            "already_configured": "Device is already configured"
        },
        "error": {
            "cannot_connect": "Failed to connect",
            "invalid_auth": "Invalid authentication",
            "unknown": "Unexpected error"
        },
        "flow_title": "Nightscout",
        "step": {
            "user": {
                "data": {
                    "api_key": "API Key",
                    "url": "URL"
                },
                "description": "- URL: the address of your nightscout instance. I.e.: https://myhomeassistant.duckdns.org:5423\n- API Key (Optional): Only use if your instance is protected (auth_default_roles != readable).",
                "title": "Enter your Nightscout server information."
            }
        }
    }
}