diff --git a/README.md b/README.md
index c6eb38fd..034439b9 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,13 @@
 ## Introduction
 
 [*WebSocket*](https://en.wikipedia.org/wiki/WebSocket) is a computer communications protocol, providing full-duplex
-communication channels over a single TCP connection. This library provides a C++ library for Websocket communication. The code is derived from [easywsclient](https://github.com/dhbaird/easywsclient).
+communication channels over a single TCP connection. This library provides a C++ library for Websocket communication. The code is derived from [easywsclient](https://github.com/dhbaird/easywsclient) and from the [Satori C SDK](https://github.com/satori-com/satori-rtm-sdk-c). It has been tested on the following platforms.
+
+* macOS
+* iOS
+* Linux
+* Android 
+* Windows (no TLS support yet)
 
 ## Examples