diff --git a/website/index.html b/website/index.html
index f04c6ebf..fe255c61 100644
--- a/website/index.html
+++ b/website/index.html
@@ -979,10 +979,10 @@
               </td>
             </tr>
             <tr>
-              <td><code>reduceUI</code><br><code>reduceSessions</code></td>
+              <td><code>reduceUI</code><br><code>reduceSessions</code><br><code>reduceTermGroups</code></td>
               <td>Renderer</td>
               <td>
-                <p>A custom reducer for the <code>ui</code> state shape.</p>
+                <p>A custom reducer for the <code>ui</code>, <code>sessions</code> or <code>termgroups</code> state shape.</p>
                 <table>
                   <tbody>
                     <tr>