fixed readme screenshot

README.md

@@ -4,7 +4,7 @@ Ethereum Network Stats
 
 This is a visual interface for tracking ethereum network status. It uses WebSockets to receive stats from running nodes and output them through an angular interface. It is the front-end implementation for [eth-net-intelligence-api](https://github.com/cubedro/eth-net-intelligence-api).
 
-![Screenshot](https://raw.githubusercontent.com/cubedro/eth-netstats/master/public/images/screenshot.jpg?v=0.0.6 "Screenshot")
+![Screenshot](https://raw.githubusercontent.com/cubedro/eth-netstats/master/src/images/screenshot.jpg?v=0.0.6 "Screenshot")
 
 ## Prerequisite
 * node