diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c
index e87d58ecc6ed..05030fdf6210 100644
--- a/sys/netinet/tcp_subr.c
+++ b/sys/netinet/tcp_subr.c
@@ -174,7 +174,7 @@ SYSCTL_VNET_PROC(_net_inet_tcp, TCPCTL_V6MSSDFLT, v6mssdflt,
 VNET_DEFINE(int, tcp_minmss) = TCP_MINMSS;
 SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, minmss, CTLFLAG_RW,
      &VNET_NAME(tcp_minmss), 0,
-    "Minmum TCP Maximum Segment Size");
+    "Minimum TCP Maximum Segment Size");
 
 VNET_DEFINE(int, tcp_do_rfc1323) = 1;
 SYSCTL_VNET_INT(_net_inet_tcp, TCPCTL_DO_RFC1323, rfc1323, CTLFLAG_RW,