diff --git a/nping/ArgParser.cc b/nping/ArgParser.cc
index f269b81c8..d023adeed 100644
--- a/nping/ArgParser.cc
+++ b/nping/ArgParser.cc
@@ -1201,8 +1201,7 @@ void ArgParser::printUsage(void){
 "\n"
 "TARGET SPECIFICATION:\n"
 "  Targets may be specified as hostnames, IP addresses, networks, etc.\n"
-"  Ex: scanme.nmap.org, microsoft.com/24, 192.168.0.1; 10.0.0-255.1-254\n"
-//"  -iL <inputfilename>: Read targets from list of hosts or networks\n"
+"  Ex: scanme.nmap.org, microsoft.com/24, 192.168.0.1; 10.0.*.1-24\n"
 "PROBE MODES:\n"
 "  --tcp-connect                    : Unprivileged TCP connect probe mode.\n"
 "  --tcp                            : TCP probe mode.\n"
@@ -1222,10 +1221,6 @@ void ArgParser::printUsage(void){
 "   --ack <acknumber>               : Set ACK number.\n"
 "   --win <size>                    : Set window size.\n"
 "   --badsum                        : Use a random invalid checksum. \n"
-//"   --mss <size>                    : Set maximum segment size.\n"
-//"   --ws  <n>                       : Set window scale.\n"
-//"   --sack [To be defined]          : Selective ACK.\n"
-//"   --ts <echo,reply>               : Set timestamp (echo and reply fields).\n"
 "UDP PROBE MODE:\n"
 "   -g, --source-port <portnumber>  : Set source port.\n"
 "   -p, --dest-port <port spec>     : Set destination port(s).\n"
@@ -1242,7 +1237,6 @@ void ArgParser::printUsage(void){
 "  --icmp-orig-time  <timestamp>    : Set originate timestamp.\n"
 "  --icmp-recv-time  <timestamp>    : Set receive timestamp.\n"
 "  --icmp-trans-time <timestamp>    : Set transmit timestamp.\n"
-//"  TODO: Add options for all fields required by those ICMP msg types.\n"
 "ARP/RARP PROBE MODE:\n"
 "  --arp-type <type>                : Type: ARP, ARP-reply, RARP, RARP-reply.\n"
 "  --arp-sender-mac <mac>           : Set sender MAC address.\n"
@@ -1251,7 +1245,6 @@ void ArgParser::printUsage(void){
 "  --arp-target-ip  <addr>          : Set target IP address.\n"
 "IPv4 OPTIONS:\n"
 "  -S, --source-ip                  : Set source IP address.\n"
-// Supported but undocumented:""  --spoof-ip: Set source IP address. (consistent with --spoof-mac format)\n"
 "  --dest-ip <addr>                 : Set destination IP address (used as an \n"
 "                                     alternative to {target specification} ). \n"
 "  --tos <tos>                      : Set type of service field (8bits).\n"
@@ -1264,7 +1257,6 @@ void ArgParser::printUsage(void){
 "  --ip-options <hex string>                    : Set IP options\n"
 "  --mtu <size>                     : Set MTU. Packets get fragmented if MTU is\n"
 "                                     small enough.\n"
-//"  -f                               : Fragment packets.\n"
 "IPv6 OPTIONS:\n"
 "  -6, --IPv6                       : Use IP version 6.\n"
 "  --dest-ip                        : Set destination IP address (used as an\n"
@@ -1276,12 +1268,10 @@ void ArgParser::printUsage(void){
 "  --dest-mac <mac>                 : Set destination mac address. (Disables\n"
 "                                     ARP resolution)\n"
 "  --source-mac <mac>               : Set source MAC address.\n"
-// Supported but undocumented:"  --spoof-mac  : Set source MAC address (provides same flag as nmap).\n"
 "  --ether-type <type>              : Set EtherType value.\n"
 "PAYLOAD OPTIONS:\n"
 "  --data <hex string>              : Include a custom payload.\n"
 "  --data-string <text>             : Include a custom ASCII text.\n"
-//"  --data-file <filename>           : Include payload from specified file.\n"
 "  --data-length <len>              : Include len random bytes as payload.\n"
 "ECHO CLIENT/SERVER:\n"
 "  --echo-client <passphrase>       : Run Nping in client mode.\n"
@@ -1295,7 +1285,6 @@ void ArgParser::printUsage(void){
 "  's' (seconds), 'm' (minutes), or 'h' (hours) to the value (e.g. 30m, 0.25h).\n"
 "  --delay <time>                   : Adjust delay between probes.\n"
 "  --rate  <rate>                   : Send num packets per second.\n"
-//"  --host-timeout <time>            : Give up on target after this long.\n"
 "MISC:\n"
 "  -h, --help                       : Display help information.\n"
 "  -V, --version                    : Display current version number. \n"
@@ -1305,7 +1294,7 @@ void ArgParser::printUsage(void){
 "  -N, --no-capture                 : Do not try to capture replies.\n"
 "  --privileged                     : Assume user is fully privileged.\n"
 "  --unprivileged                   : Assume user lacks raw socket privileges.\n"
-"  --send-eth                       : Send packets at the raw ethernet layer.\n"
+"  --send-eth                       : Send packets at the raw Ethernet layer.\n"
 "  --send-ip                        : Send packets using raw IP sockets.\n"
 "  --bpf-filter <filter spec>       : Specify custom BPF filter.\n"
 "OUTPUT:\n"