Misago/misago/templates/misago/footer.html

<footer class="main-footer">
  <div class="container">

    <div class="misago-branding text-center">
      <a href="http://misago-project.org">
        <span class="subscript">powered by</span>
        <span class="brand-border"><span>m</span></span>isago
      </a>
    </div>

  </div><!-- /.container -->
</footer>