Fix comment on new view helper method.

lib/ProMotion/helpers/view_helper.rb

@@ -70,13 +70,13 @@ module ProMotion
     end
 
     def closest_parent(type)
-      # iterate up the view hierarchy to find the table containing this cell/view
+      # iterate up the view hierarchy to find the parent element of "type" containing this view
       this_view = self.superview
       while this_view != nil do
         return this_view if this_view.is_a? type
         this_view = this_view.superview
       end
-      nil # this view is not within a tableView
+      nil
     end
   end
 end