Fixed typo and some code formatting

SwiftyStoreOSXDemo/AppDelegate.swift

@@ -27,8 +27,6 @@ import Cocoa
 @NSApplicationMain
 class AppDelegate: NSObject, NSApplicationDelegate {
 
-
-
     func applicationDidFinishLaunching(aNotification: NSNotification) {
         // Insert code here to initialize your application
     }
@@ -36,7 +34,5 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     func applicationWillTerminate(aNotification: NSNotification) {
         // Insert code here to tear down your application
     }
-
-
 }
 

SwiftyStoreOSXDemo/ViewController.swift

@@ -160,7 +160,7 @@ extension ViewController {
             return self.alertWithTitle("Receipt verified", message: "Receipt verified remotly")
         case .Error(let error):
             print("Verify receipt Failed: \(error)")
-            return  self.alertWithTitle("Receipt verification failed", message: "The application will exit to create receipt data. You must have signed the application with your developper id to test and be outside of XCode")
+            return self.alertWithTitle("Receipt verification failed", message: "The application will exit to create receipt data. You must have signed the application with your developer id to test and be outside of XCode")
         }
     }