add additional inforamtions for option -D
@@ -1184,6 +1184,7 @@ printf("%s %s (C) %s ZeroBeat\n"
" : all other are unknown\n"
"-F <file> : remove bad records and write only flawless records to hccapx file\n"
"-D <file> : remove duplicates from the same authentication sequence\n"
+ " : you must use nonce-error-corrections on that file!\n"
"-h : this help\n"
"\n", eigenname, VERSION, VERSION_JAHR, eigenname);
exit(EXIT_FAILURE);
