will display the menu and wait for input according to @samp{GRUB_TIMEOUT}.
If a hotkey associated with a menu entry is pressed, it will boot the
associated menu entry immediately. If the timeout expires before either of
-these happens, it will display the menu. In the @samp{countdown} case, it
-will show a one-line indication of the remaining time.
+these happens, it will boot the default entry. In the @samp{countdown}
+case, it will show a one-line indication of the remaining time.
@item GRUB_HIDDEN_TIMEOUT
Wait this many seconds before displaying the menu. If @key{ESC} is pressed