Updated a release badge URL

README.md

@@ -1,7 +1,7 @@
 # AutoConnect for ESP8266/ESP32
 
 [![arduino-library-badge](https://www.ardu-badge.com/badge/AutoConnect.svg?)](https://www.ardu-badge.com/AutoConnect)
-[![GitHub release](https://img.shields.io/github/release/Hieromon/AutoConnect.svg)](https://github.com/Hieromon/AutoConnect/releases)
+[![GitHub release](https://img.shields.io/github/v/release/Hieromon/AutoConnect)](https://github.com/Hieromon/AutoConnect/releases)
 [![Build Status](https://travis-ci.org/Hieromon/AutoConnect.svg?branch=master)](https://travis-ci.org/Hieromon/AutoConnect)
 
 An Arduino library for ESP8266/ESP32 WLAN configuration at run time with web interface.