diff --git a/libisoburn/trunk/doc/faq.wiki b/libisoburn/trunk/doc/faq.wiki
index c9681911..565c7449 100644
--- a/libisoburn/trunk/doc/faq.wiki
+++ b/libisoburn/trunk/doc/faq.wiki
@@ -22,6 +22,8 @@ Imaging:
 
  [#partition_offset  What is partition offset feature all about?]
 
+ [#partition_offset_apple  Partition offset bad on Apple ?]
+
 Development:
 
  [#api_specs  Where are the APIs of libburnia libraries described ?]
@@ -130,6 +132,18 @@ where it eventually can manipulate and augment the MBR.
 (See [http://libburnia-project.org/wiki/PartitionOffset Partition Offset Wiki]
 for examples.)
 
+There are reports of machines which will not boot from USB stick if
+partition offset is 0.
+
+===== Partition offset bad on Apple ? ===== #partition_offset_apple
+
+Apple's "Snow Leopard" operating system refuses to mount Debian CD images
+with non-zero partition offset.
+
+The issue is still under investigation. But for now one has to choose
+between mountability on Apple "Snow Leopard" or bootability from USB stick
+on Kontron CG2100 "carrier grade server".
+
 ----------------------------------------------------------------------------
 '''Developing'''
 ----------------------------------------------------------------------------
diff --git a/libisoburn/trunk/doc/partition_offset.wiki b/libisoburn/trunk/doc/partition_offset.wiki
index 33730f03..e5b45bc0 100644
--- a/libisoburn/trunk/doc/partition_offset.wiki
+++ b/libisoburn/trunk/doc/partition_offset.wiki
@@ -25,6 +25,16 @@ and [http://cdimage.debian.org/cdimage/weekly-builds/ weekly] builds make
 use of this feature with their bootable ISO images for i386 and amd64. E.g. 
 [http://cdimage.debian.org/cdimage/daily-builds/daily/current/i386/iso-cd/debian-testing-i386-businesscard.iso debian-testing-i386-businesscard.iso].
 
+According to a
+[http://syslinux.zytor.com/archives/2011-March/016201.html thread of march 2011]
+on Syslinux mailing list this enabled booting of a Kontron CG2100 server
+from USB stick, which otherwise failed.
+
+Regrettably the feature seems to prevent mounting of ISO 9660 images on
+Apple "Snow Leopard" systems.
+At least this is the outcome of a
+[http://lists.debian.org/debian-cd/2011/04/msg00029.html debian-cd thread of april 2011].
+
 --------------------------------------------------------------------------
 
 Example:
@@ -149,7 +159,7 @@ about 50 kB.
 Unpadded ISO images are safe except for burning on CD in TAO mode.
 In this case problems may occur with reading the last few data blocks.
 So when burning onto CD make sure to require SAO mode and/or to
-require padding by 300 KiB.
+require padding by 300 kB.
 Burning on DVD or BD needs no such caution. Neither does copying
 on USB stick or hard disk.
 
@@ -158,8 +168,8 @@ This can be silenced by adding option
 {{{
  -partition_cyl_align on
 }}}
-at the cost of image padding up to the next full MiB.
-E.g. by 402 KiB to 2 MiB.
+at the cost of image padding up to the next full MB.
+E.g. by 402 kB to 2 MB.
 
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