fix a missing trailing . in news for 2026-01-18

news.html

@@ -499,7 +499,7 @@
 <h2 id="section">2026-01-18</h2>
 </div>
 <p>The <strong>IOCCC29</strong> remains open to people who wish to <a href="next/register.html">register for the IOCCC</a>
-and then <a href="next/submit.html">upload submissions</a> until <code>2026-03-13 17:19:23.293137 UTC</code>:</p>
+and then <a href="next/submit.html">upload submissions</a> until <code>2026-03-13 17:19:23.293137 UTC</code>.</p>
 <p>The servers, services, and software used to build, manage, and maintain
 this site as well as to run the IOCCC itself are due, in part, to the
 support from:</p>