MatrixSynapse/synapse/res/templates/password_reset_confirmation.html

{% block title %}Password reset confirmation{% endblock %}

{% block body %}
<!--Use a hidden form to resubmit the information necessary to reset the password-->
<form method="post">
    <input type="hidden" name="sid" value="{{ sid }}">
    <input type="hidden" name="token" value="{{ token }}">
    <input type="hidden" name="client_secret" value="{{ client_secret }}">

    <p>You have requested to <strong>reset your Matrix account password</strong>. Click the link below to confirm this action. <br /><br />
        If you did not mean to do this, please close this page and your password will not be changed.</p>
    <p><button type="submit">Confirm changing my password</button></p>
</form>
{% endblock %}