core/homeassistant/components/heos/strings.json

{
  "config": {
    "step": {
      "user": {
        "title": "Connect to Heos",
        "description": "Please enter the host name or IP address of a Heos device (preferably one connected via wire to the network).",
        "data": { "access_token": "Host", "host": "Host" }
      }
    },
    "error": {
      "connection_failure": "Unable to connect to the specified host."
    },
    "abort": {
      "already_setup": "You can only configure a single Heos connection as it will support all devices on the network."
    }
  }
}