diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index ab63634..50c5ea0 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -390,8 +390,8 @@
  * @write_buf:		[REPLACEABLE] write data from the buffer to the chip
  * @read_buf:		[REPLACEABLE] read data from the chip into the buffer
  * @select_chip:	[REPLACEABLE] select chip nr
- * @block_bad:		[REPLACEABLE] check, if the block is bad
- * @block_markbad:	[REPLACEABLE] mark the block bad
+ * @block_bad:		[REPLACEABLE] check if a block is bad, using OOB markers
+ * @block_markbad:	[REPLACEABLE] mark a block bad
  * @cmd_ctrl:		[BOARDSPECIFIC] hardwarespecific function for controlling
  *			ALE/CLE/nCE. Also used to write command and address
  * @init_size:		[BOARDSPECIFIC] hardwarespecific function for setting