xfs: fix the comment of xfs_sb_quiet_read_verify()

Signed-off-by: NZhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: NMark Tinguely <tinguely@sgi.com>
Signed-off-by: NBen Myers <bpm@sgi.com>

fs/xfs/xfs_sb.c

@@ -633,7 +633,7 @@ xfs_sb_read_verify(
 /*
  * We may be probed for a filesystem match, so we may not want to emit
  * messages when the superblock buffer is not actually an XFS superblock.
- * If we find an XFS superblock, the run a normal, noisy mount because we are
+ * If we find an XFS superblock, then run a normal, noisy mount because we are
  * really going to mount it and want to know about errors.
  */
 static void