xfs: fix various typos

Signed-off-by: Malcolm Parsons <malcolm.parsons@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 24f1d13..aeb2d22 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -584,7 +584,7 @@
 				 * first inode of the cluster.
 				 *
 				 * Careful with clustidx.   There can be
-				 * multple clusters per chunk, a single
+				 * multiple clusters per chunk, a single
 				 * cluster per chunk or a cluster that has
 				 * inodes represented from several different
 				 * chunks (if blocksize is large).