diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 86b9f37d102e1110791ce693079561bd0a804619..9ffa90c6201c3860779f4a3e7e162a368b766874 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -368,7 +368,8 @@ config BLK_DEV_RAM
 	  For details, read <file:Documentation/blockdev/ramdisk.txt>.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called rd.
+	  module will be called brd. An alias "rd" has been defined
+	  for historical reasons.
 
 	  Most normal users won't need the RAM disk functionality, and can
 	  thus say N here.