<p>{{ _('Powered by %(pelican_url)s - %(nervproject_url)s theme based on %(flex_url)s',
  pelican_url='<a href="http://getpelican.com">Pelican</a>',
  nervproject_url='<a href="https://www.nerv-project.eu">NervProject</a>',
  flex_url='<a href="https://github.com/alexandrevicenzi/flex">Flex</a>'|safe) }}</p>