Fix a spelling error in some comments. heirarchy -> hierarchy.

Obtained from: OpenBSD

1 files changed, 2 insertions, 2 deletions

diff --git a/sys/ufs/ffs/ffs_alloc.c b/sys/ufs/ffs/ffs_alloc.c
index b7e7fda..827af17 100644
--- a/sys/ufs/ffs/ffs_alloc.c
+++ b/sys/ufs/ffs/ffs_alloc.c
@@ -122,7 +122,7 @@ static int	ffs_reallocblks_ufs2(struct vop_reallocblks_args *);
  *   3) allocate a block in the same cylinder group.
  *   4) quadradically rehash into other cylinder groups, until an
  *      available block is located.
- * If no block preference is given the following heirarchy is used
+ * If no block preference is given the following hierarchy is used
  * to allocate a block:
  *   1) allocate a block in the cylinder group that contains the
  *      inode for the file.
@@ -880,7 +880,7 @@ fail:
  *   2) allocate an inode in the same cylinder group.
  *   3) quadradically rehash into other cylinder groups, until an
  *      available inode is located.
- * If no inode preference is given the following heirarchy is used
+ * If no inode preference is given the following hierarchy is used
  * to allocate an inode:
  *   1) allocate an inode in cylinder group 0.
  *   2) quadradically rehash into other cylinder groups, until an