diff --git a/README.md b/README.md
index 45e611e..dfe87b9 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,72 @@
-##react-native-qrcode
+#react-native-qrcode
+A React-native component to generate [QRcode](http://en.wikipedia.org/wiki/QR_code).
+##Installation
+```sh
+npm install react-native-qrcode
+```
+##Usage
+```jsx
+'use strict';
+
+var React = require('react-native');
+var QRCode = require('react-native-qrcode');
+var {
+    AppRegistry,
+    StyleSheet,
+    View,
+    TextInput
+} = React;
+
+var helloworld = React.createClass({
+    getInitialState: function() {
+        return {
+            text: 'http://facebook.github.io/react-native/',
+        };
+    },
+    render: function() {
+        return (
+            <View style={{marginTop: 30}}>
+                <TextInput
+                    style={styles.input}
+                    onChangeText={(text) => this.setState({text: text})}
+                />
+                <QRCode
+                    value={this.state.text}
+                    size={200}
+                    bgColor='purple'
+                    fgColor='white'/>
+            </View>
+        );
+    }
+});
+
+var styles = StyleSheet.create({
+    container: {
+        flex: 1,
+        backgroundColor: 'white',
+    },
+
+    input: {
+        height: 40,
+        borderColor: 'gray',
+        borderWidth: 1,
+        margin: 10,
+        borderRadius: 5,
+        padding: 5,
+    }
+});
+
+AppRegistry.registerComponent('helloworld', () => helloworld);
+
+module.exports = helloworld;
+```
+## Available Props
+
+prop      | type                 | default value
+----------|----------------------|--------------
+`value`   | `string`             | `http://facebook.github.io/react-native/`
+`size`    | `number`             | `128`
+`bgColor` | `string` (CSS color) | `"#FFFFFF"`
+`fgColor` | `string` (CSS color) | `"#000000"`
+
+
diff --git a/lib/qrcode.js b/lib/QRCode.js
similarity index 98%
rename from lib/qrcode.js
rename to lib/QRCode.js
index d4c2305..8b2a7ee 100644
--- a/lib/qrcode.js
+++ b/lib/QRCode.js
@@ -70,4 +70,4 @@ var QRCode = React.createClass({
 });
 
 
-module.exports = QRCode;
+module.exports = QRCode;
\ No newline at end of file
diff --git a/package.json b/package.json
index 6bee755..323b13a 100644
--- a/package.json
+++ b/package.json
@@ -3,18 +3,15 @@
   "version": "1.0.3",
   "description": "react-native qrocode generator",
   "main": "index.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
   "repository": {
     "type": "git",
-    "url": "git+ssh://git@github.com/cssivision/react-native-qrcode.git"
+    "url": "https://github.com/cssivision/react-native-qrcode.git"
   },
   "keywords": [
     "react-native",
     "qrcode"
   ],
-  "author": "sivision.chen",
+  "author": "sivision.chen <cssivision@gmail.com>",
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/cssivision/react-native-qrcode/issues"