diff --git a/site/index.html b/site/index.html
index 5d6f021..5e5033f 100644
--- a/site/index.html
+++ b/site/index.html
@@ -389,6 +389,9 @@ let g:gundo_right = 1
                             <li>
                                 Add auto preview option.
                             </li>
+                            <li>
+                                Add 'r' mapping to preview current state.
+                            </li>
                         </ul>
                     </li>
                     <li>v2.3.0