diff --git a/kitty/config_data.py b/kitty/config_data.py
index 73376e1b3..5c973bffd 100644
--- a/kitty/config_data.py
+++ b/kitty/config_data.py
@@ -837,7 +837,8 @@ def macos_titlebar_color(x):
 or @ansi_screen. For the secondary screen, use @alternate and @ansi_alternate.
 Note that the secondary screen is not currently displayed. For example if you
 run a fullscreen terminal application, the secondary screen will be the screen
-you return to when quitting the application.
+you return to when quitting the application. You can also use ``none`` for no
+:file:`STDIN` input.
 
 To open in a new window or tab use ``window`` or ``tab`` respectively. You can
 also use ``none`` in which case the data will be piped into the program without