float-blog/wp-content/plugins/mailchimp-for-wp/integrations/ninja-forms/admin-before.php

<p>
    <?php echo sprintf(__('To integrate with Ninja Forms, add the "Mailchimp" action to <a href="%s">one of your Ninja Forms forms</a>.', 'mailchimp-for-wp'), admin_url('admin.php?page=ninja-forms')); ?>
</p>