journaling_log: fix some typos in the section about EFDs

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/design/XFS_Filesystem_Structure/journaling_log.asciidoc b/design/XFS_Filesystem_Structure/journaling_log.asciidoc
index a67fcc2..67d209f 100644
--- a/design/XFS_Filesystem_Structure/journaling_log.asciidoc
+++ b/design/XFS_Filesystem_Structure/journaling_log.asciidoc
@@ -368,7 +368,7 @@
 ----
 
 *efd_type*::
-The signature of an EFI operation, 0x1236.  This value is in host-endian order,
+The signature of an EFD operation, 0x1237.  This value is in host-endian order,
 not big-endian like the rest of XFS.
 
 *efd_size*::
@@ -382,9 +382,9 @@
 
 *efd_extents*::
 Variable-length array of extents to be freed.  The array length is given by
-+efi_nextents+.  The record type will be either +xfs_extent_64_t+ or
++efd_nextents+.  The record type will be either +xfs_extent_64_t+ or
 +xfs_extent_32_t+; this can be determined from the log item size (+oh_len+) and
-the number of extents (+efi_nextents+).
+the number of extents (+efd_nextents+).
 
 [[Inode_Log_Item]]
 === Inode Updates