core/homeassistant/components/mobile_app/translations/en.json

{
    "config": {
        "abort": {
            "install_app": "Open the mobile app to set up the integration with Home Assistant. See [the docs]({apps_url}) for a list of compatible apps."
        },
        "step": {
            "confirm": {
                "description": "Do you want to set up the Mobile App component?"
            }
        }
    }
}