core/homeassistant/components/cast/strings.json

{
  "config": {
    "step": {
      "confirm": {
        "description": "[%key:common::config_flow::description::confirm_setup%]"
      },
      "config": {
        "title": "Google Cast",
        "description": "Please enter the Google Cast configuration.",
        "data": {
          "known_hosts": "Optional list of known hosts if mDNS discovery is not working."
        }
      }
    },
    "abort": {
      "single_instance_allowed": "[%key:common::config_flow::abort::single_instance_allowed%]"
    },
    "error": {
      "invalid_known_hosts": "Known hosts must be a comma separated list of hosts."
    }
  },
  "options": {
    "step": {
      "options": {
        "description": "Please enter the Google Cast configuration.",
        "data": {
          "ignore_cec": "Optional list which will be passed to pychromecast.IGNORE_CEC.",
          "known_hosts": "Optional list of known hosts if mDNS discovery is not working.",
          "uuid": "Optional list of UUIDs. Casts not listed will not be added."
        }
      }
    },
    "error": {
      "invalid_known_hosts": "Known hosts must be a comma separated list of hosts."
    }
  }
}