diff --git a/index.html b/index.html
index e122eda..ec38b05 100644
--- a/index.html
+++ b/index.html
@@ -146,6 +146,7 @@
                 <li><kbd>ALT-n</kbd>: Toggle nicklist</li>
                 <li><kbd>ALT-l</kbd>: Focus on input bar</li>
                 <li><kbd>ALT-[0-9]</kbd>: Switch to buffer number N</li>
+                <li><kbd>ALT-↑/↓</kbd>: Switch to buffer above/below</li>
                 <li><kbd>ALT-a</kbd>: Focus on next buffer with activity</li>
                 <li><kbd>ALT-&lt;</kbd>: Switch to previous active buffer</li>
                 <li><kbd>ALT-g</kbd>: Focus on buffer list filter</li>