From 3ff3320c2a1756a3691521efc290b4701575147c Mon Sep 17 00:00:00 2001
From: stevenscott89 <42449819+stevenscott89@users.noreply.github.com>
Date: Thu, 16 Aug 2018 15:18:03 -0700
Subject: [PATCH] Improve server subprotocol documentation

Partial fix for 404.
---
 server.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/server.go b/server.go
index aee2705..4834c38 100644
--- a/server.go
+++ b/server.go
@@ -34,9 +34,11 @@ type Upgrader struct {
 	ReadBufferSize, WriteBufferSize int
 
 	// Subprotocols specifies the server's supported protocols in order of
-	// preference. If this field is set, then the Upgrade method negotiates a
+	// preference. If this field is not nil, then the Upgrade method negotiates a
 	// subprotocol by selecting the first match in this list with a protocol
-	// requested by the client.
+	// requested by the client. If there's no match, then no protocol is
+	// negotiated (the Sec-Websocket-Protocol header is not included in the
+	// handshake response).
 	Subprotocols []string
 
 	// Error specifies the function for generating HTTP error responses. If Error