core/homeassistant/components/hangouts/strings.json

{
  "config": {
    "abort": {
      "already_configured": "Google Hangouts is already configured",
      "unknown": "Unknown error occurred."
    },
    "error": {
      "invalid_login": "Invalid Login, please try again.",
      "invalid_2fa": "Invalid 2 Factor Authentication, please try again.",
      "invalid_2fa_method": "Invalid 2FA Method (Verify on Phone)."
    },
    "step": {
      "user": {
        "data": {
          "email": "E-Mail Address",
          "password": "Password",
          "authorization_code": "Authorization Code (required for manual authentication)"
        },
        "title": "Google Hangouts Login"
      },
      "2fa": {
        "data": { "2fa": "2FA Pin" },
        "title": "2-Factor-Authentication"
      }
    }
  }
}