Small documentation adjustments

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 "Dec 07, 2008"
+.TH XORRISO 1 "Dec 08, 2008"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -1795,21 +1795,24 @@ Some read-only drives and media show no usable session history at all.
 Eventually option -rom_toc_scan might help.
 .TP
 \fB\-mount_cmd\fR drive entity id path
-Print to the result channel an appropriate command line for mounting the
-ISO session which is depicted by drive, entity and id. See option -mount
-for direct execution of this command.
+Emit an appropriate command line for mounting the ISO session
+indicated by drive, entity and id.
+The result will be different on Linux and on FreeBSD.
 .br
-drive can be "indev", "outdev" or the address of a not yet aquired drive.
+drive can be "indev" or "outdev" to indicate already aquired drives,
+or it can be the path of a not yet acquired drive.
 Prefix "stdio:" for non-MMC drives is not mandatory.
 .br
-The id can be a block address with entity "sbsector", a track number with
-"track", a session number with "session", a volume id search pattern with
-"volid", or a dummy text with "auto". See also option -load.
+entity must be either "sbsector" , "track" , "session" , "volid" 
+or "auto". See also option -load.
+.br
+id gives the superblock sector address, the track number, the session number,
+or a search pattern for the volume id respectively.
 .br
-path will be used as mount point and has already to exist as directory.
+path will be used as mount point and must already exist as a directory.
 .br
-xorriso determines on which kind of system it runs. Supported are Linux and
-FreeBSD.
+The command gets printed to the result channel. See option -mount
+for direct execution of this command.
 .TP
 \fB\-session_string\fR drive entity id format
 Print to the result channel a text which gets composed according to