add wiki link

motd/index.php

@@ -20,7 +20,7 @@ foreach ($members as $member) {
 
 echo "\n";
 echo "the main lobby channel is #meta. you must log in with nickserv to speak there.\n";
-echo "to get registered, run /quote ns help register\n";
+echo "to get registered, run /quote ns help register or read our wiki: https://tilde.chat/wiki/nicks\n";
 echo "check out https://tilde.chat/stats/ or run /list to find other channels\n";
 echo "/join #helpdesk if you need assistance\n";