diff --git a/xorriso/xorriso.1 b/xorriso/xorriso.1
index 09993fb3..bf85678a 100644
--- a/xorriso/xorriso.1
+++ b/xorriso/xorriso.1
@@ -2,7 +2,7 @@
 .\" First parameter, NAME, should be all caps
 .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 .\" other parameters are allowed: see man(7), man(1)
-.TH XORRISO 1 "February 10, 2008"
+.TH XORRISO 1 "February 14, 2008"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -56,6 +56,8 @@ Scans for optical drives, blanks re-useable optical media.
 Reads its instructions from command line arguments, dialog, and batch files.
 .br
 Provides navigation commands for interactive ISO image manipulation.
+.br
+Adjustable thresholds for abort, exit value, and problem reporting.
 .SS
 .B General information paragraphs:
 .br
@@ -1010,27 +1012,26 @@ or an important resource failed unexpectedly.
 "DEBUG" A message which would only interest the program developers.
 .br
 "ALL" The lower end of the severity spectrum.
-.PP
 .TP
 \fB\-abort_on\fR severity
 Set the severity threshold for events to abort the program.
 .br
-Useful: "NEVER", "ABORT", "FATAL", "FAILURE" , "SORRY"
+Useful: "NEVER", "ABORT", "FATAL", "FAILURE" , "MISHAP", "SORRY"
 .br
 It may become necessary to abort the program anyway, despite
 the setting by this option. Expect not many "ABORT" events to
 be ignorable.
 .br
-A special property of this option is that it works preemtive if given as
+A special property of this option is that it works preemptive if given as
 program start argument. I.e. the first -abort_on setting among the
 start arguments is in effect already when the first operations of xorriso
 begin. Only "-abort_on" with dash "-" is recognized that way.
 .TP
 \fB\-return_with\fR severity exit_value
-Set the threshhold and exit_value to be returned at program end if no abort
+Set the threshold and exit_value to be returned at program end if no abort
 has happened. This is to allow xorriso to go on after problems but to get
 a failure indicating exit value from the program, nevertheless.
-Useful are the same values as with -abort_on, plus "WARNING".
+Useful is a value lower than the -abort_on threshold, down to "WARNING".
 .br
 exit_value may be either 0 (indicating success to the starter of the program)
 or a number between 32 and 63. Some other exit_values are used by xorriso if
@@ -1052,6 +1053,7 @@ it decides to abort the program run:
 Set the threshold for events to be reported.
 .br
 Useful:  "SORRY", "WARNING", "HINT", "NOTE", "UPDATE", "DEBUG", "ALL"
+.br
 Regardless what is set by -report_about, messages get always reported if they
 reach the severity threshold of -abort_on .
 .br
@@ -1459,6 +1461,21 @@ first and only session to the output drive.
  -outdev /dev/sr0 -blank fast \\
  -commit -eject all
 .SS
+.B Write a ISO image into a pipe (single-session only)
+\fB$\fR xorriso -outdev - \\
+ ...
+ | gzip >image.iso.gz
+.SS
+.B Adjust thresholds for verbosity, exit value and program abort
+Be quite verbous, exit 32 if severity "FAILURE" was encountered,
+do not abort prematurely but forcibly go on until the end of commands.
+.br
+\fB$\fR xorriso ... \\
+ -report_about UPDATE \\
+ -return_with FAILURE 32 \\
+ -abort_on NEVER \\
+ ...
+.SS
 .B Examples of input timestrings
 .br
 As printed by program date:
@@ -1506,6 +1523,9 @@ For mounting xorriso generated ISO 9660 images
 .br
 .BR mount(8)
 .TP
+Libreadline, a comfortable input line facility
+.BR readline(3)
+.TP
 Other programs which produce ISO 9660 images
 .br
 .BR mkisofs(8),
@@ -1521,3 +1541,11 @@ Other programs which burn sessions to optical media
 Thomas Schmitt <scdbackup@gmx.net>
 .br
 for libburnia-project.org
+.SH CREDITS
+xorriso is also based on work by Vreixo Formoso who provides libisofs,
+Mario Danic who leads the libburnia team,
+Andy Polyakov who invented emulated growing,
+Derek Foreman and Ben Jansens who once founded libburn.
+.br
+Compliments towards Joerg Schilling whose cdrtools served me for ten years.
+