lighthouse/extension/app/_locales/en/messages.json

> Stops you crashing into the rocks; lights the way

{
  "appName": {
    "message": "Lighthouse",
    "description": "Helping you avoid Progressive Web App woes."
  },
  "appDescription": {
    "message": "Lighthouse",
    "description": "Helping you avoid Progressive Web App woes."
  }
}