diff --git a/app/views/static/keyboard_shortcuts.html.erb b/app/views/static/keyboard_shortcuts.html.erb
index 00504f03f..8a84d8d33 100644
--- a/app/views/static/keyboard_shortcuts.html.erb
+++ b/app/views/static/keyboard_shortcuts.html.erb
@@ -34,7 +34,8 @@
           <li><kbd class="key">shift</kbd>+<kbd class="key">f</kbd> Unfavorite post</li>
           <li><kbd class="key">g</kbd> Add post to favorite group</li>
           <li><kbd class="key">1</kbd>, <kbd class="key">2</kbd>, <kbd class="key">3</kbd>... Add post to favorite group #N</li>
-          <li><kbd class="key">v</kbd> Toggle between sample and full size</li>
+          <li><kbd class="key">v</kbd> Toggle between sample and original image</li>
+          <li><kbd class="key">z</kbd> Toggle between fit-to-window and full size</li>
         </ul>
       </section>