Update README.md

Author: budulinek

README.md

@@ -110,5 +110,6 @@ Not everything could fit into the limited flash memory of Arduino Nano / Uno. If
 
 ## Version history
 
-For version history see: 
+For version history see:
+ 
 https://github.com/budulinek/arduino-modbus-rtu-tcp-gateway/blob/master/arduino-modbus-rtu-tcp-gateway/arduino-modbus-rtu-tcp-gateway.ino#L27