diff --git a/tools/scramble.c b/tools/scramble.c
index fed19621f8..07b11930e1 100644
--- a/tools/scramble.c
+++ b/tools/scramble.c
@@ -88,8 +88,8 @@ void usage(void)
            "\t-mi4v2  PortalPlayer .mi4 format (revision 010201)\n"
            "\t-mi4v3  PortalPlayer .mi4 format (revision 010301)\n"
            "\t-add=X  Rockbox generic \"add-up\" checksum format\n"
-           "\t        (X values: h100, h120, h140, h300, ipco, nano, ipvd\n"
-           "\t                   ip3g, ip4g, mini, x5, h10, h10_5gb, tpj2, e200)\n"
+           "\t        (X values: h100, h120, h140, h300, ipco, nano, ipvd, mn2g\n"
+           "\t                   ip3g, ip4g, mini, iax5, h10, h10_5gb, tpj2, e200)\n"
            "\nNo option results in Archos standard player/recorder format.\n");
 
     exit(1);