diff --git a/app/renderer/dialogs.js b/app/renderer/dialogs.js
index 40e3ec6..532a64e 100644
--- a/app/renderer/dialogs.js
+++ b/app/renderer/dialogs.js
@@ -646,6 +646,7 @@ const SHORTCUTS = [
     ['PageUp / PageDown', 'Previous / next step'],
     ['Alt+↑ / Alt+↓', 'Move step up / down'],
     ['Ctrl+Delete', 'Delete current step'],
+    ['Ctrl+Z / Ctrl+Shift+Z', 'Undo / redo (including step deletion)'],
     ['Ctrl+V', 'Paste annotation, or clipboard image as new step'],
   ]],
   ['Canvas tools', [