From e34ed489a75609dc0076e0437ac6f8d65d4c5ac6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=99=BD=E4=BF=8A=E9=81=A5?= <baijunyao@baijunyao.com>
Date: Tue, 27 Dec 2016 17:45:24 +0800
Subject: [PATCH] Update request-options.rst

$request->getHeader('Content-Type'); is array;
---
 docs/request-options.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/request-options.rst b/docs/request-options.rst
index 7de6e5a8..eeb363b9 100644
--- a/docs/request-options.rst
+++ b/docs/request-options.rst
@@ -557,7 +557,7 @@ over the wire.
     $clientHandler = $client->getConfig('handler');
     // Create a middleware that echoes parts of the request.
     $tapMiddleware = Middleware::tap(function ($request) {
-        echo $request->getHeader('Content-Type');
+        echo $request->getHeaderLine('Content-Type');
         // application/json
         echo $request->getBody();
         // {"foo":"bar"}