-This option is mandatory and specifies where the resulting multiboot grml ISO
-should be placed. Note that (to avoid any possible data loss) grml2iso will exit
-if the specified target.iso exists already.
+ *-r <boot param>*::
+
+Remove specified boot parameter from existing command line.
+Can be specified multiple times.
+
+ *-p <grml2usb param>*::
+
+Execute grml2usb with the specified parameters.
+For a list of valid parameters have a look at the grml2usb(8) manual page.
+
+ *-s <URI>*::
+
+Generate a small ISO file which downloads the squashfs file from the specified URI.
+Due to current limitations in busyboxs wget and DNS resolution, an URL can not contain a hostname but an IP only.
+This is useful if you want to boot systems which support booting ISO image from your local system.
+Besides the ISO image this command also copies the squashfs file to the output directory.