-" -c - Consistency checking (enabled by default).\r\n"\r
-" -v - Display verbose data (enabled by default).\r\n"\r
-" -h - Enable/Disable Colour Highlighting.\r\n"\r
-" Highlight : TRUE/ON enables highlighting;\r\n"\r
-" FALSE/OFF (default) disables highlighting.\r\n"\r
+" -q - Quiet. Suppress errors and warnings. Disables consistency checks.\r\n"\r
+" -h - Enable colour highlighting.\r\n"\r
+" -r - Validate that all required ACPI tables are installed\r\n"\r
+" Spec : Specification to validate against.\r\n"\r
+" For Arm, the possible values are:\r\n"\r
+" 0 - Server Base Boot Requirements v1.0\r\n"\r
+" 1 - Server Base Boot Requirements v1.1\r\n"\r
+" 2 - Server Base Boot Requirements v1.2\r\n"\r