diff --git a/README.md b/README.md
index 16b67bc..84e0ee4 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ All library dependencies are already included in this package. There is no need
 
 ## Installation  
 **Arduino IDE** <img src="https://camo.githubusercontent.com/647cefc4a331bc5ab2a760d3c731b9d0b3f1259b/68747470733a2f2f7777772e61726475696e6f2e63632f66617669636f6e2e69636f" width="20">
-1. Install ESP8266 Core for Arduino. For more information please refer to the ESP8266 Core for Arduino's [installation manual]((https://github.com/esp8266/Arduino#installing-with-boards-manager))
+1. Install ESP8266 Core for Arduino. For more information please refer to the ESP8266 Core for Arduino's [installation manual](https://github.com/esp8266/Arduino#installing-with-boards-manager)
 2. Add this library into Arduino IDE (Sketch > Include Library > Add .ZIP Library...)  
 
 ## Examples