README.md in shogi_koma-0.0.1 vs README.md in shogi_koma-0.0.2

@@ -1,9 +1,14 @@
 # ShogiKoma [![Build Status](https://secure.travis-ci.org/myokoym/shogi_koma.png?branch=master)](http://travis-ci.org/myokoym/shogi_koma)
 
 An image generator for Shogi's pieces (it's "ko-ma" in Japanese) for Ruby by cairo.
 
+It supports one or two characters.
+
+![fu1](http://myokoym.net/public/shogi_koma-fu1.png)
+![fu2](http://myokoym.net/public/shogi_koma-fu2.png)
+
 ## Requirements
 
 * [Ruby](https://www.ruby-lang.org/)
 * [rcairo](https://github.com/rcairo/rcairo)
 * [cairo](http://cairographics.org/)
@@ -31,20 +36,25 @@
 
 painter = ShogiKoma::Painter.new
 #painter.width = 200        # as default
 #painter.height = 200       # as default
 #painter.font = "IPAMincho" # as default
-painter.write_to_png("歩", "fu.png")
+painter.write_to_png("歩", "shogi_koma-fu1.png")
+painter.write_to_png("歩兵", "shogi_koma-fu2.png")
 ```
 
 ### Draw to Cairo::Context
 
 ```ruby
 require "cairo"
 require "shogi_koma"
 
-Cairo::ImageSurface.new(:argb32, 40, 40) do |surface|
+width  = 200
+height = 200
+
+Cairo::ImageSurface.new(:argb32, width, height) do |surface|
   Cairo::Context.new(surface) do |context|
+    context.scale(width, height)
     painter = ShogiKoma::Painter.new
     #painter.font = "IPAMincho" # as default
     painter.draw(context, "歩")
   end
 end