core/homeassistant/components/ozw/strings.json

{
  "config": {
    "step": {
      "user": {
        "title": "Confirm set up"
      }
    },
    "abort": {
      "single_instance_allowed": "[%key:common::config_flow::abort::single_instance_allowed%]",
      "mqtt_required": "The MQTT integration is not set up"
    }
  }
}