diff --git a/doc/api/net.md b/doc/api/net.md
index d65637e31568a8..a12ac4ad3cc258 100644
--- a/doc/api/net.md
+++ b/doc/api/net.md
@@ -618,8 +618,8 @@ For TCP connections, available `options` are:
 * `host` {string} Host the socket should connect to. **Default:** `'localhost'`.
 * `localAddress` {string} Local address the socket should connect from.
 * `localPort` {number} Local port the socket should connect from.
-* `family` {number}: Version of IP stack, can be either `4` or `6`.
-  **Default:** `4`.
+* `family` {number}: Version of IP stack. Must be `4`, `6`, or `0`.
+  **Default:** `0`.
 * `hints` {number} Optional [`dns.lookup()` hints][].
 * `lookup` {Function} Custom lookup function. **Default:** [`dns.lookup()`][].