diff --git a/usbboot/doc/usbboot.cfg.lepus b/usbboot/doc/usbboot.cfg.lepus
index 2bb6a91..4a5bea9 100644
--- a/usbboot/doc/usbboot.cfg.lepus
+++ b/usbboot/doc/usbboot.cfg.lepus
@@ -22,8 +22,8 @@ NAND_PAGEPERBLOCK = 128 	#The page number per block
 NAND_FORCEERASE = 1	#The force to erase flag (0|1)
 NAND_OOBSIZE = 128	#oob size in byte
 NAND_ECCPOS = 24	#Specify the ECC offset inside the oob data (0-[oobsize-1])
-NAND_BADBLACKPOS = 0	#Specify the badblock flag offset inside the oob (0-[oobsize-1])
-NAND_BADBLACKPAGE = 0   	#Specify the page number of badblock flag inside a block(0-[PAGEPERBLOCK-1])
+NAND_BADBLOCKPOS = 0	#Specify the badblock flag offset inside the oob (0-[oobsize-1])
+NAND_BADBLOCKPAGE = 0   	#Specify the page number of badblock flag inside a block(0-[PAGEPERBLOCK-1])
 NAND_PLANENUM = 1	#The planes number of target nand flash
 NAND_BCHBIT = 8	#Specify the hardware BCH algorithm for 4750 (4|8)
 NAND_WPPIN = 0	#Specify the write protect pin number