diff --git a/index.php b/index.php
index 0712564..0ba4550 100644
--- a/index.php
+++ b/index.php
@@ -23,6 +23,11 @@
         there's a bot that can toot from <a rel="me" href="https://tilde.zone/@tildeverse">this mastodon account</a>, but it's mostly silly quotes from chat.
     </p>
 
+    <p>
+        there's also a <a href="https://tilde.wiki">wiki</a>
+        that documents a bunch of things in and outside the tildeverse.
+        anyone with an account on a recognized tilde can make an account,
+        so feel free to help out once in a while.
     <hr>
     <h2>members</h2>