diff --git a/src/main-conf.c b/src/main-conf.c
index 1bfb474d..d6245bce 100644
--- a/src/main-conf.c
+++ b/src/main-conf.c
@@ -2631,6 +2631,56 @@ static void
 masscan_help()
 {
     printf(
+"options:\n"
+"    <IP|RANGE>\t\t\tAn IP or IP range to scan.\n"
+"    --range <IP|RANGE>\t\tThe same as <IP|RANGE>\n"
+"    -p PORT[,PORT...]\t\tSpecifies the port(s) to be scanned.\n"
+"    --banners\t\t\tSpecifies that banners should be grabbed.\n"
+"    --rate MS\t\t\tSpecifies the desired rate for transmitting packets.\n"
+"    -c,--conf FILE\t\tReads in a configuration file.\n"
+"    --resume FILE\t\tSame as --conf, except enables --apend-output.\n"
+"    --echo\t\t\tDon't run, but dump the current configuration to a file.\n"
+"    -e,--adapter IFNAME\t\tUse the named raw network interface.\n"
+"    --adapter-ip IP\t\tSend packets using this IP address.\n"
+"    --adapter-port PORT\t\tSends packets using the source PORT number.\n"
+"    ---adapter-mac MAC\t\tSend packets using the source MAC address.\n"
+"    --router-mac MAC\t\tSend packets to this destination MAC address.\n"
+"    --ping\t\t\tIndicates that the scan should include ICMP echo requests.\n"
+"    --exclude IP[/RANGE]\tBlacklist an IP address or range.\n"
+"    --excludefile FILE\t\tReads in a list of excluded IP ranges.\n"
+"    --append-output\t\tAppends output to the output file.\n"
+"    --iflist\t\t\tList the available network interfaces, and then exits.\n"
+"    --retries NUM\t\tThe number of retries to attempt.\n"
+"    --nmap\t\t\tPrint help about nmap-compatibility options.\n"
+"    --pcap-payloads\t\tReads packets from a libpcpa file.\n"
+"    --nmap-payloads FILE\tReads an nmap-payloads file.\n"
+"    --http-user-agent STRING\tUse a custom User-Agent header.\n"
+"    --open-only\t\t\tReport only open ports.\n"
+"    --pcap FILE\t\t\tSaves received packets to a libpcap-format file.\n"
+"    --packet-trace\t\tPrints a summary of the packets sent and received.\n"
+"    --pfring\t\t\tForce the use of PF_RING driver.\n"
+"    --resume-index\t\tThe point in the scan when it was paused.\n"
+"    --resume-count\t\tThe maximum number of probes to send before exiting.\n"
+"    --shards X/Y\t\tSplits the scan among instances.\n"
+"    --rotate TIME\t\tRotates the output file.\n"
+"    --rotate-offset TIME\tAn offset in the rotation time.\n"
+"    --rotate-dir DIR\t\tThe directory to move rotated files into.\n"
+"    --seed INT\t\t\tAn integer that seds the random number generator.\n"
+"    --regress\t\t\tRuns a regression test.\n"
+"    --ttl TTL\t\t\tSets the TTL of outgoing packets (Default: 255)\n"
+"    --wait SECONDS\t\tWaits the number of SECONDS after transmitting.\n"
+"    --offline\t\t\tDon't transmit any packets.\n"
+"    -sL\t\t\t\tOnly output a list of random addresses and exit.\n"
+"    --interactive\t\tPrint the results in realtime.\n"
+"    --output-format FORMAT\tThe output file format.\n"
+"    --output-filename FILE\tThe output file.\n"
+"    -oB FILE\t\t\tSaves results to the output FILE in binary format.\n"
+"    -oX FILE\t\t\tSaves results to the output FILE in XML format.\n"
+"    -oG FILE\t\t\tSaves results to the output FILE in grepable format.\n"
+"    -oJ FILE\t\t\tSaves results to the output FILE in JSON format.\n"
+"    -oL FILE\t\t\tSaves results to the output FILE in a simple list format.\n"
+"    --readscan BINARY_FILE\tReads a file created by -oB\n"
+"\n"
 "MASSCAN is a fast port scanner. The primary input parameters are the\n"
 "IP addresses/ranges you want to scan, and the port numbers. An example\n"
 "is the following, which scans the 10.x.x.x network for web servers:\n"