<p>Dear {$client_name},</p>
<p>This is a notice that invoice #{$invoice_num} which was originally generated on {$invoice_date_created} has been updated.</p>
<p>Your payment method is: {$invoice_payment_method}</p>
<p>
    Invoice #{$invoice_num}<br>
    Amount Due: {$invoice_balance}<br>
    Due Date: {$invoice_date_due}
</p>
<p>Invoice Items</p>
<p>
    {$invoice_html_contents}<br>
    ------------------------------------------------------
</p>
<p>You can login to our client area to view and pay the invoice at {$invoice_link}</p>
<p>{$signature}</p>