part-2.md fix copypasta error

Fixed the event model defaultColumns using the User's fields instead of the Event's fields

docs/Getting Started/Setting-Up/part-2.md

@@ -245,7 +245,7 @@ Event.schema.pre('save', function (next) {
   return next();
 });
 
-Event.defaultColumns = 'displayName, email';
+Event.defaultColumns = 'name, description';
 Event.register();
 ```