fprintf(stderr, " default is to merge based on frame timestamps.\n");
fprintf(stderr, " -s <snaplen> truncate packets to <snaplen> bytes of data.\n");
fprintf(stderr, " -w <outfile>|- set the output filename to <outfile> or '-' for stdout.\n");
- fprintf(stderr, " -F <capture type> set the output file type; default is libpcap.\n");
+ fprintf(stderr, " -F <capture type> set the output file type; default is pcapng.\n");
fprintf(stderr, " an empty \"-F\" option will list the file types.\n");
fprintf(stderr, " -T <encap type> set the output file encapsulation type;\n");
fprintf(stderr, " default is the same as the first input file.\n");