frigate/web/public/locales/en/components/auth.json

{
    "form": {
        "user": "Username",
        "password": "Password",
        "login": "Login",
        "errors": {
            "usernameRequired": "Username is required",
            "passwordRequired": "Password is required",
            "rateLimit": "Exceeded rate limit. Try again later.",
            "loginFailed": "Login failed",
            "unknownError": "Unknown error. Check logs.",
            "webUnkownError": "Unknown error. Check console logs."
        }
    }
}