diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index ce6e3d4..27f80cd 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -121,12 +121,12 @@ config MTD_SST25L
          if you want to specify device partitioning.
 
 config MTD_BCM47XXSFLASH
-       tristate "Support for serial flash on BCMA bus"
+       tristate "R/O support for serial flash on BCMA bus"
        depends on BCMA_SFLASH
        help
          BCMA bus can have various flash memories attached, they are
          registered by bcma as platform devices. This enables driver for
-         serial flash memories.
+         serial flash memories (only read-only mode is implemented).
 
 config MTD_SLRAM
        tristate "Uncached system RAM"