Update README

diff --git a/README.md b/README.md
index f104de7329d7bca8536e242a75934ca61b7c26d8..6b7b617871cdab08b43420973a6bb35127fdb6ac 100644 (file)
--- a/README.md
+++ b/README.md
@@ -53,6 +53,10 @@ Start the server with ```shairplay```, if you are connected to a Wi-Fi the
 server should show as an AirPort Express on your iOS devices and Mac OS X
 computers in the same network.
 
+Notice that you need to have the airport.key file in your working directory when
+starting the shairplay service. It is not included in the binary for possible
+legal reasons.
+
 Related software
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