README.md in arduino_firmata-0.2.5 vs README.md in arduino_firmata-0.2.6

@@ -43,9 +43,10 @@
 require 'arduino_firmata'
 
 arduino = ArduinoFirmata.connect  # use default arduino
 arduino = ArduinoFirmata.connect '/dev/tty.usb-device-name'
 arduino = ArduinoFirmata.connect '/dev/tty.usb-device-name', :bps => 57600
+arduino = ArduinoFirmata.connect '/dev/tty.usb-device-name', :nonblock_io => true
 ```
 
 Board Version
 ```ruby
 puts "firmata version #{arduino.version}"
\ No newline at end of file