diff --git a/net/tcp/tcp_send_buffered.c b/net/tcp/tcp_send_buffered.c
index 1d15f33e2ac..7ff9b166aaa 100644
--- a/net/tcp/tcp_send_buffered.c
+++ b/net/tcp/tcp_send_buffered.c
@@ -342,8 +342,8 @@ static inline bool psock_send_addrchck(FAR struct tcp_conn_s *conn)
   else
 #endif
     {
-      /* For historical reasons, we will return true if both the ARP and the
-       * routing table are disabled.
+      /* For historical reasons, we will return true if both the ICMPv6
+       * neighbor support and the routing table are disabled.
        */
 
       bool ret = true;
diff --git a/net/tcp/tcp_send_unbuffered.c b/net/tcp/tcp_send_unbuffered.c
index 58ec05fd0f5..cdfe5be6627 100644
--- a/net/tcp/tcp_send_unbuffered.c
+++ b/net/tcp/tcp_send_unbuffered.c
@@ -292,8 +292,8 @@ static inline bool psock_send_addrchck(FAR struct tcp_conn_s *conn)
   else
 #endif
     {
-      /* For historical reasons, we will return true if both the ARP and the
-       * routing table are disabled.
+      /* For historical reasons, we will return true if both the ICMPv6
+       * neighbor support and the routing table are disabled.
        */
 
       bool ret = true;