Update IRC details

index.html

@@ -103,7 +103,7 @@
                 </li>
                 <li class="link-with-logo">
                     <img class="black-svg" alt="" src="logos/irc.svg"/>
-                    <span>IRC: tulir (on Freenode and IRCnet)</span>
+                    <span>IRC: tulir (on Libera.Chat and IRCnet)</span>
                 </li>
                 <li>If you have my phone number, WhatsApp and Signal are also bridged</li>
             </ul>