Update README.md

Author: Assem-Hafez

README.md

@@ -2,11 +2,11 @@
 [![Codelab](http://www.codelabsys.com/images/logo.png)](http://www.codelabsys.com/) 
 
 Create responsive modals easily by auto injecting it to the app root.
-##Dependencies
+## Dependencies
 * [react-native-modalbox](https://github.com/maxs15/react-native-modalbox)
 *  [react-native-root-siblings](https://github.com/magicismight/react-native-root-siblings)
 
-##Installation
+## Installation
 
 [![NPM](https://nodei.co/npm/react-native-responsive-app-modal.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/react-native-responsive-app-modal/)
 
@@ -17,9 +17,9 @@ npm install --save  react-native-responsive-app-modal
 ## Properties
 
 | Prop  | Type | Description |
-| :------------ |:---------------:| :---------------:| :-----|
+| :------------ | :---------------:| :-----|
 | screenHeight| `number` | Used for modal dimensions calculation (Note: users of react-native>=0.43 you don't have to send this property)    |
-| screenWidth| `number` | Used for modal dimensions calculation (Note: users of react-native>=0.43 you don't have to send this property)    |
+| screenWidth| `number` | Used for modal dimensions calculation (Note: users of react-native>=0.43 you don't have to send this property)|
 | verticalMargin| `number` | Define spacing between the modal and the screen edges   |
 | horizontalMargin| `number` | Define spacing between the modal and the screen edges   |
 | sizeMatching| `string`('content' or 'screen') | define if the modal size should match the screen size or the size of its content   |