README.md in fusuma-2.0.5 vs README.md in fusuma-2.1.0

@@ -1,6 +1,6 @@
-# Fusuma [![Gem Version](https://badge.fury.io/rb/fusuma.svg)](https://badge.fury.io/rb/fusuma) [![Build Status](https://travis-ci.com/iberianpig/fusuma.svg?branch=master)](https://travis-ci.com/iberianpig/fusuma) [![Coverage Status](https://coveralls.io/repos/github/iberianpig/fusuma/badge.svg?branch=master)](https://coveralls.io/github/iberianpig/fusuma?branch=master) [![Inline docs](http://inch-ci.org/github/iberianpig/fusuma.svg?branch=master)](http://inch-ci.org/github/iberianpig/fusuma)
+# Fusuma [![Gem Version](https://badge.fury.io/rb/fusuma.svg)](https://badge.fury.io/rb/fusuma) [![Build Status](https://travis-ci.com/iberianpig/fusuma.svg?branch=master)](https://travis-ci.com/iberianpig/fusuma) [![Coverage Status](https://coveralls.io/repos/github/iberianpig/fusuma/badge.svg?branch=master)](https://coveralls.io/github/iberianpig/fusuma?branch=master)
 
 Fusuma is multitouch gesture recognizer.
 This gem makes your linux able to recognize swipes or pinchs and assign commands to them.
 
 ![fusuma_image](https://repository-images.githubusercontent.com/69813387/60879a00-166c-11ea-9875-3bf0818c62ec)
@@ -296,9 +296,10 @@
 - `-c`, `--config=path/to/file` : Use an alternative config file
 - `-d`, `--daemon` : Daemonize process
 - `-l`, `--list-devices` : List available devices
 - `-v`, `--verbose` : Show details about the results of running fusuma
 - `--version` : Show fusuma version
+- `--log-file=path/to/file` : Set path of log file
 
 ### Specify touchpads by device name
 Set the following options to recognize multi-touch gestures only for the specified touchpad device.
 
 ```yaml