README.md in fusuma-1.8.0 vs README.md in fusuma-1.9.0

@@ -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)
+# 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 is multitouch gesture recognizer.
 This gem makes your linux able to recognize swipes or pinchs and assign commands to them.
 
 ![fusuma_image](https://i.gyazo.com/757fef526310b9d68f68e80eb1e4540f.png)
@@ -179,11 +179,23 @@
 
 *   `-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
-*   `--device="Device name"`      : Open the given device only
+*   `--device="Device name"`      : Open the given device only (DEPRECATED)
 *   `--version`                   : Show fusuma version
+
+### Filter Device
+
+Set the following options to recognize multi-touch gestures only for the specified touchpad device.
+
+```yaml
+plugin:
+  filters:
+    libinput_device_filter:
+      keep_device_names:
+        - "DEVICE NAME"
+```
 
 ## Autostart (gnome-session-properties)
 1. Check the path where you installed fusuma with `$ which fusuma`
 2. Open `$ gnome-session-properties`
 3. Add Fusuma and enter the location where the above path was checked in the command input field