README.md in mireru-0.9.1 vs README.md in mireru-0.9.2

@@ -1,6 +1,6 @@
-# Mireru [![Build Status](https://secure.travis-ci.org/myokoym/mireru.png?branch=master)](http://travis-ci.org/myokoym/mireru)
+# Mireru [![Gem Version](https://badge.fury.io/rb/mireru.svg)](http://badge.fury.io/rb/mireru) [![Build Status](https://secure.travis-ci.org/myokoym/mireru.png?branch=master)](http://travis-ci.org/myokoym/mireru)
 
 Mireru is a keyboard friendly file viewer by Ruby/GTK3.
 
 It can handle a variety of file types (Picture, Text, PDF, Video and etc.).
 
@@ -33,9 +33,15 @@
 * `-h`, `--help`
   * show this help message
 
 * `-f`, `--font NAME`
   * set a font such as "Monospace 16"
+
+* `--regexp "PATTERN"`
+  * select file name by regular expression
+
+* `--compact`
+  * hide empty directory
 
 ### Key bindings
 
 #### Common