ha-core/homeassistant/components/fritzbox/strings.json

{
  "config": {
    "flow_title": "AVM FRITZ!Box: {name}",
    "step": {
      "user": {
        "description": "Enter your AVM FRITZ!Box information.",
        "data": {
          "host": "[%key:common::config_flow::data::host%]",
          "username": "[%key:common::config_flow::data::username%]",
          "password": "[%key:common::config_flow::data::password%]"
        }
      },
      "confirm": {
        "description": "Do you want to set up {name}?",
        "data": {
          "username": "[%key:common::config_flow::data::username%]",
          "password": "[%key:common::config_flow::data::password%]"
        }
      }
    },
    "abort": {
      "already_in_progress": "[%key:common::config_flow::abort::already_in_progress%]",
      "already_configured": "This AVM FRITZ!Box is already configured.",
      "not_found": "No supported AVM FRITZ!Box found on the network.",
      "not_supported": "Connected to AVM FRITZ!Box but it's unable to control Smart Home devices."
    },
    "error": {
      "auth_failed": "Username and/or password are incorrect."
    }
  }
}