core/homeassistant/components/upnp/strings.json

{
  "config": {
    "title": "UPnP/IGD",
    "step": {
      "confirm": {
        "title": "UPnP/IGD",
        "description": "Do you want to set up UPnP/IGD?"
      }
    },
    "abort": {
      "single_instance_allowed": "Only a single configuration of UPnP/IGD is necessary.",
      "no_devices_found": "No UPnP/IGD devices found on the network."
    }
  }
}