typo: Contoller -> Controller (#300)

Hello_iOS/Hello.iOS_MultiScreen/Phoneword_iOS/ViewController.cs

@@ -83,13 +83,13 @@ namespace Phoneword_iOS
 			// set the View Controller that’s powering the screen we’re
 			// transitioning to
 
-			var callHistoryContoller = segue.DestinationViewController as CallHistoryController;
+			var callHistoryController = segue.DestinationViewController as CallHistoryController;
 
 			//set the Table View Controller’s list of phone numbers to the
 			// list of dialed phone numbers
 
-			if (callHistoryContoller != null) {
-				callHistoryContoller.PhoneNumbers = PhoneNumbers;
+			if (callHistoryController != null) {
+				callHistoryController.PhoneNumbers = PhoneNumbers;
 			}
 		}
 

Working_with_images/AppDelegate.cs

@@ -17,7 +17,7 @@ namespace Working_with_images
         // class-level declarations
         UIWindow window;
 
-        // Added contoller. As of MonoTouch 5.0.2, applications are expected to
+        // Added controller. As of MonoTouch 5.0.2, applications are expected to
         // have a root view controller at the end of application launch
 
         UIViewController controller;