diff --git a/ChangeLog b/ChangeLog
index 5880fbcd..6c7e18f7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,7 @@ SVN trunk (to become libisoburn-1.2.4.tar.gz or higher)
 ===============================================================================
 * New API call isoburn_igopt_set_hfsp_serial_number()
 * New API calls isoburn_igopt_set_prep_partition, isoburn_igopt_set_efi_bootp
+* New API calls isoburn_igopt_set_hfsp_block_size() and isoburn_igopt_get_hfsp_block_size()
 * New -check_media option async_chunks=
 * New command -rockridge
 * New xorriso command -hfsplus
@@ -9,6 +10,7 @@ SVN trunk (to become libisoburn-1.2.4.tar.gz or higher)
 * New -find actions set/get_hfs_crtp,  set/get_hfs_bless
 * New -find test -disk_path
 * New -boot_image bootspec hfsplus_serial=
+* New -boot_image bootspecs hfsplus_block_size= and apm_block_size=
 * New -boot_image bootspecs efi_boot_part, prep_boot_part, chrp_boot_part
 * Command -hide allows hiding in HFS+ filesystem
 * New -as mkisofs option -log-file
@@ -17,6 +19,7 @@ SVN trunk (to become libisoburn-1.2.4.tar.gz or higher)
 * New -as mkisofs option -hfsplus-file-creator-type
 * New -as mkisofs options -hfs-bless and -hfs-bless-by
 * New -as mkisofs option -hfsplus-serial-no
+* New -as mkisofs options -hfsplus-block-size and -apm-block-size
 * New -as mkisofs option -hide-hfsplus, -hide-hfsplus-list
 * New -as mkisofs options -prep-boot-part, -efi-boot-part, -chrp-boot-part
 * New -as mkisofs options -isohybrid-gpt-basdat, -isohybrid-gpt-hfsplus, -isohybrid-apm-hfsplus
diff --git a/xorriso/xorriso_eng.html b/xorriso/xorriso_eng.html
index 64685d5b..70c92340 100644
--- a/xorriso/xorriso_eng.html
+++ b/xorriso/xorriso_eng.html
@@ -613,6 +613,7 @@ cdrecord and mkisofs.</DT>
 <LI>New -find actions set/get_hfs_crtp,  set/get_hfs_bless</LI>
 <LI>New -find test -disk_path</LI>
 <LI>New -boot_image bootspec hfsplus_serial=</LI>
+<LI>New -boot_image bootspecs hfsplus_block_size= and apm_block_size=</LI>
 <LI>New -boot_image bootspecs efi_boot_part, prep_boot_part, chrp_boot_part
 </LI>
 <LI>Command -hide allows hiding in HFS+ filesystem</LI>
@@ -622,6 +623,7 @@ cdrecord and mkisofs.</DT>
 <LI>New -as mkisofs option -hfsplus-file-creator-type</LI>
 <LI>New -as mkisofs options -hfs-bless and -hfs-bless-by</LI>
 <LI>New -as mkisofs option -hfsplus-serial-no</LI>
+<LI>New -as mkisofs options -hfsplus-block-size and -apm-block-size</LI>
 <LI>New -as mkisofs option -hide-hfsplus, -hide-hfsplus-list</LI>
 <LI>New -as mkisofs options -prep-boot-part, -efi-boot-part, -chrp-boot-part</LI>
 <LI>New -as mkisofs options -isohybrid-gpt-basdat, -isohybrid-gpt-hfsplus, -isohybrid-apm-hfsplus</LI>