diff --git a/doc/openocd.texi b/doc/openocd.texi
index 6ce1d285a..283026d3a 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -2685,6 +2685,17 @@ reset_config srst_only
 @end example
 @end deffn
 
+@deffn {Command} {usb_blaster_lowlevel_driver} (@option{ftdi}|@option{ftd2xx}|@option{ublast2})
+Chooses the low level access method for the adapter. If not specified,
+@option{ftdi} is selected unless it wasn't enabled during the
+configure stage. USB-Blaster II needs @option{ublast2}.
+@end deffn
+
+@deffn {Command} {usb_blaster_firmware} @var{path}
+This command specifies @var{path} to access USB-Blaster II firmware
+image. To be used with USB-Blaster II only.
+@end deffn
+
 @end deffn
 
 @deffn {Interface Driver} {gw16012}