homeassistant-core/homeassistant/components/browser/strings.json

{
  "services": {
    "browse_url": {
      "name": "Browse",
      "description": "Opens a URL in the default browser on the host machine of Home Assistant.",
      "fields": {
        "url": {
          "name": "[%key:common::config_flow::data::url%]",
          "description": "The URL to open."
        }
      }
    }
  }
}