README.md in mireru-0.2.1 vs README.md in mireru-0.9.0

@@ -1,15 +1,15 @@
 # Mireru [![Build Status](https://secure.travis-ci.org/myokoym/mireru.png?branch=master)](http://travis-ci.org/myokoym/mireru)
 
-A file viewer with a focus on flexibility by Ruby/GTK3.
+Mireru is a keyboard friendly file viewer by Ruby/GTK3.
 
-A friend of a keyboard.
+It can handle a variety of file types (Picture, Text, PDF, Video and etc.).
 
 ## Requirements
 
-* Ruby/GTK3, Ruby/GtkSourceView3, Ruby/ClutterGTK, Ruby/ClutterGStreamer
-  , Ruby/Poppler and Ruby/RSVG2 in
+* Ruby/GTK3, Ruby/GtkSourceView3, Ruby/ClutterGTK, Ruby/ClutterGStreamer,
+  Ruby/Poppler and Ruby/RSVG2 in
   [Ruby-GNOME2](http://ruby-gnome2.sourceforge.jp/)
 * [hexdump](https://github.com/postmodern/hexdump)
 
 ## Installation
 
@@ -17,59 +17,75 @@
 
 ## Usage
 
 ### Launch
 
-    $ mireru [OPTION]... [FILE]...
+    $ mireru [OPTION]... [FILE_OR_DIRECTORY]...
 
-If no argument, then search current directory.
+If no argument, then open the current directory.
 
 ### Options
 
--R, --recursive<br />
-    recursive search as "**/*"
+-h, --help<br />
+    show this help message
 
 -f, --font NAME<br />
-    set font such as "Monospace 16"
+    set a font such as "Monospace 16"
 
-### Keybind
+### Key bindings
 
 #### Common
 
 n: next<br />
 p: prev<br />
+e: expand/collpse<br />
 r: reload<br />
-e: expand path<br />
 q: quit<br />
 
+#### Control key mask
+
+Ctrl+n: 10 tiles next<br />
+Ctrl+p: 10 tiles prev<br />
+Ctrl+e: expand all/collpse even if cursor on file<br />
+Ctrl+h: move position of partition to left<br />
+Ctrl+l: move position of partition to right<br />
+
 #### Scroll
 
 h: left<br />
 j: down<br />
 k: up<br />
 l: right<br />
 
+Shift+h: 100 times left<br />
+Shift+j: 100 times down<br />
+Shift+k: 100 times up<br />
+Shift+l: 100 times right<br />
+
+Shift+g: down to bottom<br />
+
 #### Scale
 
 +: larger<br />
 -: smaller<br />
 
-#### Special
-
-T: thumbnail
-
 #### Image
 
-f: fits window size<br />
-o: original size<br />
+f: fit window size<br />
+o: scale to the original size<br />
 
 #### Text
 
 f: change font (at random)<br />
 
 #### Video
 
 space: play/pause<br />
+
+#### PDF
+
+j: next page<br />
+k: prev page<br />
 
 ## License
 
 Copyright (c) 2013-2014 Masafumi Yokoyama <[e-mail]>