diff --git a/site/index.html b/site/index.html
index 2b19411..9663f2d 100644
--- a/site/index.html
+++ b/site/index.html
@@ -511,6 +511,14 @@ Design the server architecture
 <ul>
 <li>
 Client-Server API
+<ul>
+<li>Error responses</li>
+<li><code>/_matrix/client/versions</code></li>
+<li>CORS Headers</li>
+<li>Well-known URIs</li>
+<li>Client Authentication</li>
+<li>Capabilities negotiation</li>
+</ul>
 </li>
 <li>
 Server-Server API