JSFiddle - React, Tailwind, and code Playground

HTML

<p class="login-remember">
    <label>
        <input name="rememberme" type="checkbox" id="rememberme" value="forever"> 
        Recuérdame
    </label>
</p>

JavaScript

//solución2: por @mannyatico
$('label').contents().last()[0].textContent=' Recordámelo';