From 043da0e8716da7b28d32e8ed6f6e1a72793a3220 Mon Sep 17 00:00:00 2001
From: Nick Steel <nickasteel@gmail.com>
Date: Mon, 8 Oct 2018 17:38:39 +0100
Subject: [PATCH] docs: mention required Content-Type header

---
 docs/api/http.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/api/http.rst b/docs/api/http.rst
index 56b72dc1..b9f807e3 100644
--- a/docs/api/http.rst
+++ b/docs/api/http.rst
@@ -19,7 +19,8 @@ HTTP POST API
 
 The Mopidy web server accepts HTTP requests with the POST method to
 http://localhost:6680/mopidy/rpc, where the ``localhost:6680`` part will vary
-with your local setup. The HTTP POST endpoint gives you access to Mopidy's
+with your local setup. Your requests must also set the Content-Type header to
+application/json. The HTTP POST endpoint gives you access to Mopidy's 
 full core API, but does not give you notification on events. If you need
 to listen to events, you should probably use the WebSocket API instead.