diff --git a/hcxdumptool.c b/hcxdumptool.c
index 86d2c40cc..04c4c415f 100644
--- a/hcxdumptool.c
+++ b/hcxdumptool.c
@@ -4522,7 +4522,7 @@ fprintf(stdout, "%s %s  (C) %s ZeroBeat\n"
 	"-p             : do not set monitor mode: active (do not ACK incoming frames addressed to the device MAC)\n"
 	"                 default monitor mode: active (ACK all incoming frames addressed to the device MAC)\n"
 	"-L             : show INTERFACE list\n"
-	"-l             : show INTERFACE list (tabulator separated and grepable)\n" 
+	"-l             : show INTERFACE list (tabulator separated and greppable)\n" 
 	"-I <INTERFACE> : show detailed information about INTERFACE\n"
 	"-h             : show this help\n"
 	"-v             : show version\n"