grub: add web reference that documents how to generate a splashimage

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

diff --git a/boot/grub/Config.in b/boot/grub/Config.in
index 3ae84481614ab92f9e5e7e0e748f29ca28a686ee..4db8642acf699ef203d20f28892dc826c4d5b5f8 100644 (file)
--- a/boot/grub/Config.in
+++ b/boot/grub/Config.in
@@ -42,8 +42,10 @@ config BR2_TARGET_GRUB_SPLASH
        help
          Add support for splashimage.
 
-         A splashimage is a 14-color indexed .xpm picture which
-         is displayed as background for the grub menu.
+         A splashimage is a 14-color indexed .xpm picture which is
+         displayed as background for the grub menu. See
+         http://www.katspace.org/computers/Grub_Splash/ for details
+         on how to generate a splashimage.
 
 config BR2_TARGET_GRUB_DISKLESS
        bool "diskless support"