Fix spelling typo in comment.

Signed-off-by: Deming Wang <wangdeming@inspur.com>
---
 drivers/md/dm-raid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index e448fd45a914..54263679a7b1 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -2590,7 +2590,7 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
 
 /*
  * Adjust data_offset and new_data_offset on all disk members of @rs
- * for out of place reshaping if requested by contructor
+ * for out of place reshaping if requested by constructor
  *
  * We need free space at the beginning of each raid disk for forward
  * and at the end for backward reshapes which userspace has to provide
-- 
2.27.0