core/homeassistant/components/luftdaten/strings.json

{
  "config": {
    "title": "Luftdaten",
    "step": {
      "user": {
        "title": "Define Luftdaten",
        "data": {
          "station_id": "Luftdaten Sensor ID",
          "show_on_map": "Show on map"

        }
      }
    },
    "error": {
      "sensor_exists": "Sensor already registered",
      "invalid_sensor": "Sensor not available or invalid",
      "communication_error": "Unable to communicate with the Luftdaten API"
    }
  }
}