Update template.html.jinja: wording

Author: m-aciek

template.html.jinja

@@ -46,7 +46,7 @@
 {% endfor %}
 </tbody>
 </table>
-<p>* total completion including recent progress, where <i>recently</i> means <i>in last 30 days</i></p>
+<p>* total completion including recent progress, where <i>recently</i> means <i>in the last 30 days</i></p>
 <p>For more information about translations, see the <a href="https://devguide.python.org/documentation/translating/" target="_blank">Python Developer’s Guide</a>.</p>
 <p>Last updated at {{ generation_time.strftime('%A, %-d %B %Y, %-H:%M:%S %Z') }} (in {{ duration // 60 }}:{{ "{:02}".format(duration % 60) }} minutes).</p>
 </body>