update readme

README.md

@@ -1,13 +1,13 @@
 Wox.Plugin.Spotify
 ==================
 
-Spotify plugin for the [Wox launcher](https://github.com/qianlifeng/Wox)
+Spotify plugin for the [Wox launcher](https://github.com/Wox-launcher/Wox)
 
 ### About
 
-Search Spotify for tracks, artists, or albums and launch the results directly to your Spotify client.
+Control your Spotify client from Wox. Search for tracks, artists, or albums and launch the results directly to your client.
 
-![image](http://i.imgur.com/HBBnKJr.gif)
+![image](http://i.imgur.com/AfUkPvd.gif)
 
 ### Usage
 
@@ -25,6 +25,12 @@ Play: `` sp play ``
 
 Pause: `` sp pause ``
 
+Toggle Mute: `` sp mute ``
+
+### Third-Party Libraries
+
+- [SpotifyAPI-NET](https://github.com/JohnnyCrazy/SpotifyAPI-NET) : Spotify API wrapper
+- [Json.Net](https://github.com/JamesNK/Newtonsoft.Json) : High performance json library
 
 ## To Do - Ideas