diff --git a/drivers/staging/vc04_services/bcm2835-audio/Kconfig b/drivers/staging/vc04_services/bcm2835-audio/Kconfig
index d32ea348e846..307f2d6a9599 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/Kconfig
+++ b/drivers/staging/vc04_services/bcm2835-audio/Kconfig
@@ -5,5 +5,7 @@ config SND_BCM2835
 	select SND_PCM
 	select BCM2835_VCHIQ
 	help
-	  Say Y or M if you want to support BCM2835 built in audio
-
+	  Say Y or M if you want to support BCM2835 built in audio.
+	  This driver handles both 3.5mm and HDMI audio, by leveraging
+	  the VCHIQ messaging interface between the kernel and the firmware
+	  running on VideoCore.
\ No newline at end of file