Fix readme example

Author: jonathanantoine

dotnet-binding/README.md

@@ -24,12 +24,13 @@ var hub = new MTMBProgressHUD(controller.View)
 {
     Mode = MBProgressHUDMode.Text,
     Margin = 10f,
-    YOffset = 10f,
     RemoveFromSuperViewOnHide = true,
-    UserInteractionEnabled = false,
-    LabelText = "text to display"
+    UserInteractionEnabled = false
+    
 };
 
+hub.Label.Text = "text to display";
+
 controller.View.AddSubview(hub);
 hub.Show(true);