homeassistant/custom_components/nodered/translations/en.json

{
    "config": {
        "title": "Node-RED",
        "step": {
            "user": {
                "title": "Node-RED",
                "description": "Are you sure you want to set up Node-RED?"
            }
        },
        "abort": {
            "single_instance_allowed": "Only a single configuration of Node-RED is allowed."
        }
    }
}