Update README.md

Author: TheAbstractDev

README.md

@@ -107,7 +107,7 @@ curl -X POST \
 
 Example using it via JavaScript:
 
-```
+```javascript
 Parse.initialize('myAppId','unused');
 Parse.serverURL = 'https://whatever.herokuapp.com';
 var obj = new Parse.Object('GameScore');
@@ -122,7 +122,7 @@ obj.save().then(function(obj) {
 ```
 
 Example using it on Android:
-```
+```java
 //in your application class
 
 Parse.initialize(new Parse.Configuration.Builder(getApplicationContext())
@@ -136,5 +136,12 @@ Parse.initialize(new Parse.Configuration.Builder(getApplicationContext())
   testObject.saveInBackground();
 
 ```
-
+Example using it on iOS (Swift):
+```swift
+Parse.initializeWithConfiguration(ParseClientConfiguration(block: { (configuration: ParseMutableClientConfiguration) -> Void in
+     configuration.server = "https://<# Your Heroku server #>/parse"
+     configuration.applicationId ="<# Your APP_ID #>"
+     configuration.clientKey ="<# Your CLIENT_KEY #>"
+}))
+```
 You can change the server URL in all of the open-source SDKs, but we're releasing new builds which provide initialization time configuration of this property.