[fix] template: fix typo in about.html

  <p>

    Searx appreciates your concern regarding logs, so take the

    code from the <a href="https://github.com/asciimoo/searx">orgin searx project</a> and

    code from the <a href="https://github.com/asciimoo/searx">original searx project</a> and

    run it yourself!

  </p>

  <p>