diff --git a/nmap.cc b/nmap.cc
index 9a1dc1cf6..606c803ae 100644
--- a/nmap.cc
+++ b/nmap.cc
@@ -263,7 +263,7 @@ printf("%s %s ( %s )\n"
        "  (seconds), 'm' (minutes), or 'h' (hours) to the value (e.g. 30m).\n"
        "  -T<0-5>: Set timing template (higher is faster)\n"
        "  --min-hostgroup/max-hostgroup <size>: Parallel host scan group sizes\n"
-       "  --min-parallelism/max-parallelism <time>: Probe parallelization\n"
+       "  --min-parallelism/max-parallelism <numprobes>: Probe parallelization\n"
        "  --min-rtt-timeout/max-rtt-timeout/initial-rtt-timeout <time>: Specifies\n"
        "      probe round trip time.\n"
        "  --max-retries <tries>: Caps number of port scan probe retransmissions.\n"