diff --git a/xorriso/xorriso_eng.html b/xorriso/xorriso_eng.html
index 3004ede5..0ef18c56 100644
--- a/xorriso/xorriso_eng.html
+++ b/xorriso/xorriso_eng.html
@@ -247,8 +247,9 @@ already been done by a previous -commit.</DT>
 <DT>The following command can be run on blank media to create a complete
 copy of the mentioned disk directory trees, and it can be run on appendable
 media to perform a minimal set of change operations which update the
-old ISO copies to match the new disk trees. On CD-R[W], DVD-R[W] and DVD+R
-older states can be retrieved by help of mount option "session=".
+old ISO copies to match the new disk trees. Older states can be retrieved
+by help of mount option "session=" from CD-R[W], by help of "sbsector="
+from  DVD-R[W] and DVD+R.
 So this constitutes true incremental backup.
 On overwriteable media only the newest state is accessible.
 
@@ -372,7 +373,7 @@ installation see README)
 </DD>
 <DD>
 <A HREF="xorriso-0.1.5.tar.gz">xorriso-0.1.5.tar.gz</A>
-(960 KB).
+(970 KB).
 </DD>
 <DT>A dynamically linked development version of xorriso can be obtained
 from repositories of