diff --git a/dumpcap.c b/dumpcap.c index a0a66296d2..645aa19b6a 100644 --- a/dumpcap.c +++ b/dumpcap.c @@ -111,17 +111,19 @@ print_usage(gboolean print_ver) { } else { output = stderr; } - fprintf(output, "\nUsage: dumpcap [option] ...\n"); + fprintf(output, "\nUsage: dumpcap [options] ...\n"); fprintf(output, "\n"); fprintf(output, "Capture interface:\n"); fprintf(output, " -i name or idx of interface (def: first none loopback)\n"); - fprintf(output, " -f packet filter in libpcap format\n"); + fprintf(output, " -f packet filter in libpcap filter syntax\n"); fprintf(output, " -s packet snapshot length (def: 65535)\n"); fprintf(output, " -p don't capture in promiscuous mode\n"); #ifdef _WIN32 fprintf(output, " -B size of kernel buffer (def: 1MB)\n"); #endif fprintf(output, " -y link layer type (def: first appropriate)\n"); + fprintf(output, " -D print list of interfaces and exit\n"); + fprintf(output, " -L print list of link-layer types of iface and exit\n"); fprintf(output, "\n"); fprintf(output, "Stop conditions:\n"); fprintf(output, " -c stop after n packets (def: infinite)\n"); @@ -138,8 +140,6 @@ print_usage(gboolean print_ver) { fprintf(output, "Miscellaneous:\n"); fprintf(output, " -v print version information and exit\n"); fprintf(output, " -h display this help and exit\n"); - fprintf(output, " -D print list of interfaces and exit\n"); - fprintf(output, " -L print list of link-layer types of iface and exit\n"); fprintf(output, "\n"); fprintf(output, "Example: dumpcap -i eth0 -a duration:60 -w output.pcap\n"); fprintf(output, "\"Capture network packets from interface eth0 until 60s passed into output.pcap\"\n");