diff --git a/Documentation/fb/gxfb.txt b/Documentation/fb/gxfb.txt
index b560961..2f64090 100644
--- a/Documentation/fb/gxfb.txt
+++ b/Documentation/fb/gxfb.txt
@@ -45,7 +45,8 @@
 mode_option	- specify the video mode.  Of the form
 		  <x>x<y>[-<bpp>][@<refresh>]
 vram		- size of video ram (normally auto-detected)
-
+vt_switch	- enable vt switching during suspend/resume.  The vt
+		  switch is slow, but harmless.
 
 --
 Andres Salomon <dilinger@debian.org>