core/homeassistant/components/fastdotcom/strings.json

{
  "config": {
    "step": {
      "user": {
        "description": "Do you want to start the setup? The initial setup will take about 30-40 seconds."
      }
    },
    "abort": {
      "single_instance_allowed": "[%key:common::config_flow::abort::single_instance_allowed%]"
    }
  },
  "services": {
    "speedtest": {
      "name": "Speed test",
      "description": "Immediately executes a speed test with Fast.com."
    }
  }
}