Add dlib license.
diff --git a/README.md b/README.md
index 16de69a..6d1c191 100644
--- a/README.md
+++ b/README.md
@@ -208,3 +208,4 @@
* stb_image : Public domain.
* catch : Copyright (c) 2012 Two Blue Cubes Ltd. All rights reserved. Distributed under the Boost Software License, Version 1.0.
* RapidJSON : Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved. http://rapidjson.org/
+* dlib(uridecode, uriencode) : Copyright (C) 2003 Davis E. King Boost Software License 1.0. http://dlib.net/dlib/server/server_http.cpp.html