diff --git a/src/openvpn/options.c b/src/openvpn/options.c
index ebe553af..49affc29 100644
--- a/src/openvpn/options.c
+++ b/src/openvpn/options.c
@@ -604,7 +604,8 @@ static const char usage_message[] =
     "                  Windows Certificate System Store.\n"
 #endif
     "--tls-cipher l  : A list l of allowable TLS ciphers separated by : (optional).\n"
-    "                : Use --show-tls to see a list of supported TLS ciphers.\n"
+    "--tls-ciphersuites l: A list of allowed TLS 1.3 cipher suites seperated by : (optional)\n"
+    "                : Use --show-tls to see a list of supported TLS ciphers (suites).\n"
     "--tls-cert-profile p : Set the allowed certificate crypto algorithm profile\n"
     "                  (default=legacy).\n"
     "--tls-timeout n : Packet retransmit timeout on TLS control channel\n"