Readme: Fix formatting of props and code example

README.md

@@ -91,9 +91,10 @@ this.setState({data: [{ id: 5, name: 'Red Apples' }]});
 
 return (
   <ModalSelector
-     data={this.state.data}
-     keyExtractor= {(item) => item.id}
-     labelExtractor= {(item) => item.name}/>
+    data={this.state.data}
+    keyExtractor= {item => item.id}
+    labelExtractor= {item => item.name}
+  />
 );
 ```
 
@@ -106,8 +107,8 @@ Prop                | Type     | Optional | Default      | Description
 `onChange`          | function | Yes      | () => {}     | callback function, when the users has selected an option
 `onModalOpen`       | function | Yes      | () => {}     | callback function, when modal is opening
 `onModalClose`      | function | Yes      | () => {}     | callback function, when modal is closing
-`keyExtractor       | function | Yes      | (data) => data.key   | extract the key from the data item
-`labelExtractor     | function | Yes      | (data) => data.label | extract the label from the data item
+`keyExtractor`      | function | Yes      | (data) => data.key   | extract the key from the data item
+`labelExtractor`    | function | Yes      | (data) => data.label | extract the label from the data item
 `initValue`         | string   | Yes      | `Select me!` | text that is initially shown on the button
 `cancelText`        | string   | Yes      | `cancel`     | text of the cancel button
 `animationType`     | string   | Yes      | `slide`      | type of animation to be used to show the modal. Must be one of `none`, `slide` or `fade`.