scsi: core: Fix spelling in a source code comment

The typo in this source code comment makes the comment confusing. Clear up
the confusion by fixing the typo.

Link: https://lore.kernel.org/r/20210929182318.2060489-1-bvanassche@acm.org
Fixes: bc85dc50 ("scsi: remove scsi_end_request")
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: NBart Van Assche <bvanassche@acm.org>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/scsi_lib.c

@@ -949,7 +949,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 
 	/*
 	 * If there had been no error, but we have leftover bytes in the
-	 * requeues just queue the command up again.
+	 * request just queue the command up again.
 	 */
 	if (likely(result == 0))
 		scsi_io_completion_reprep(cmd, q);