Update README.md

Author: s2t2

README.md

@@ -20,7 +20,7 @@ Check [index.android.js](https://github.com/xgfe/react-native-datepicker/blob/ma
 import React, { Component } from 'react'
 import DatePicker from 'react-native-datepicker'
 
-export default class FutureDatePicker extends Component {
+export default class MyDatePicker extends Component {
   constructor(props){
     super(props)
     this.state = {date:"2016-05-15"}