From 2b8fb770dff67d68abcf119dd09a363165561210 Mon Sep 17 00:00:00 2001
From: Sam Roberts <vieuxtech@gmail.com>
Date: Tue, 9 Oct 2018 15:36:03 -0700
Subject: [PATCH] doc: describe SNI host name format

Ref: https://github.com/nodejs/node/pull/23329

PR-URL: https://github.com/nodejs/node/pull/23357
Refs: https://github.com/nodejs/node/pull/23329
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 doc/api/tls.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/api/tls.md b/doc/api/tls.md
index fe8bfa27ef6ca2..1f2b8906b5f4b2 100644
--- a/doc/api/tls.md
+++ b/doc/api/tls.md
@@ -891,7 +891,7 @@ changes:
     first byte is the length of the next protocol name. Passing an array is
     usually much simpler, e.g. `['hello', 'world']`.
   * `servername`: {string} Server name for the SNI (Server Name Indication) TLS
-    extension.
+    extension. It must be a host name, and not an IP address.
   * `checkServerIdentity(servername, cert)` {Function} A callback function
     to be used (instead of the builtin `tls.checkServerIdentity()` function)
     when checking the server's hostname (or the provided `servername` when