mtd: nand: fix spelling of REPLACEABLE

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d4cec2f..ff56522 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2124,7 +2124,7 @@
 
 
 /**
- * nand_write_subpage_hwecc - [REPLACABLE] hardware ECC based subpage write
+ * nand_write_subpage_hwecc - [REPLACEABLE] hardware ECC based subpage write
  * @mtd:	mtd info structure
  * @chip:	nand chip info structure
  * @offset:	column address of subpage within the page