README.md in prawn-emoji-1.0.0 vs README.md in prawn-emoji-1.0.1

@@ -1,7 +1,8 @@
 # Prawn::Emoji
 
+[![Gem Version](https://badge.fury.io/rb/prawn-emoji.svg)](https://badge.fury.io/rb/prawn-emoji)
 [![Build Status](https://travis-ci.org/hidakatsuya/prawn-emoji.svg)](https://travis-ci.org/hidakatsuya/prawn-emoji)
 
 Prawn::Emoji is an extention for [Prawn](https://github.com/prawnpdf/prawn), provides feature for drawing Emoji.
 
 ## Installation
@@ -20,27 +21,30 @@
 
     $ gem install prawn-emoji
 
 ## Usage
 
+In order to run the following code, you need to place both [DejaVuSans.ttf](http://sourceforge.net/projects/dejavu/) and [ipag.ttf](http://ipafont.ipa.go.jp/old/ipafont/download.html) in the same directory as the script file.
+
 ```ruby
 require 'prawn'
 require 'prawn/emoji'
 
-Prawn::Docment.generate 'foo.pdf' do
+Prawn::Document.generate 'foo.pdf' do
   font 'DejaVuSans.ttf'
-  text 'I want to eat 🍣.'
+  text '🐟 + 🔪 = 🍣'
 
   font 'ipag.ttf'
   text_box '🍣が食べたい', at: [100, 100], width: 300
 
   draw_text '🍣🍣🍣🍣🍣', at: [100, 200]
 end
 ```
 
-### CAUTION
 
-In order to draw emoji, you will need to use a TTF - True Type Font. I strongly recommended you use a Japanese font.
+### IMPORTANT
+
+In order to draw emoji, you must use a TTF - True Type Font. I recommend you use a Japanese font.
 
 ## Feature
 
   * [Over 1600 emoji](http://emojione.com) support provided by Emoji One
   * RTL support