Update date-picker.md (#145)

* Update date-picker.md

@dateChange not @dateChanged

* Update date-picker.md

Author: rumanHuq

content/docs/en/elements/components/date-picker.md

@@ -11,7 +11,7 @@ See also: [TimePicker](/en/docs/elements/components/time-picker).
 ---
 
 ```html
-<DatePicker @loaded="onDatePickerLoaded" @dateChanged="onDateChanged" />
+<DatePicker @loaded="onDatePickerLoaded" @dateChange="onDateChanged" />
 ```
 
 `<DatePicker>` provides two-way data binding using `v-model`.
@@ -37,10 +37,10 @@ See also: [TimePicker](/en/docs/elements/components/time-picker).
 
 | Name | Description |
 |------|-------------|
-| `dateChanged` | Emitted when the selected date changes.
+| `dateChange` | Emitted when the selected date changes.
 
 ## Native component
 
 | Android |	iOS |
 |---------|-----|
-| [`android.widget.DatePicker`](https://developer.android.com/reference/android/widget/DatePicker.html) | [`UIDatePicker`](https://developer.apple.com/documentation/uikit/uidatepicker)
+| [`android.widget.DatePicker`](https://developer.android.com/reference/android/widget/DatePicker.html) | [`UIDatePicker`](https://developer.apple.com/documentation/uikit/uidatepicker)