update broken links

Author: shurph

index.html

@@ -79,7 +79,7 @@ <h2 id="meetup-keepers">Meetup Keepers</h2>
                         <span class="keeper-name">Mikalai Saskavets</span>
                         <span class="keeper-role">programm committee member, event moderator</span>
                         <span class="keeper-contacts">
-                            <a class="ico-telegram" href="https://t.me/nikolay_mikalai_saskovets_shurph" title="telegram">@nikolay_mikalai_saskovets_shurph</a>
+                            <a class="ico-telegram" href="https://t.me/MikalaiSaskavets" title="telegram">@nikolay_mikalai_saskovets_shurph</a>
                         </span>
                     </div>
                     <div>