diff --git a/docs/system/keys.rst.inc b/docs/system/keys.rst.inc
index c28ae1a227..3b5307b775 100644
--- a/docs/system/keys.rst.inc
+++ b/docs/system/keys.rst.inc
@@ -21,7 +21,7 @@ while ``-display sdl,grab-mod=rctrl`` changes it to the right :kbd:`Ctrl` key.
   * - :kbd:`Ctrl+Alt+-`
     - Shrink the screen
 
-  * - :kbd:`Ctrl+Alt+u`
+  * - :kbd:`Ctrl+Alt+0`
     - Restore the screen's un-scaled dimensions
 
   * - :kbd:`Ctrl+Alt+n`