diff --git a/AsyncDisplayKit/ASTextNode.mm b/AsyncDisplayKit/ASTextNode.mm
index 625d7cad6e..431d2ad944 100644
--- a/AsyncDisplayKit/ASTextNode.mm
+++ b/AsyncDisplayKit/ASTextNode.mm
@@ -240,6 +240,7 @@ static NSArray *DefaultLinkAttributeNames = @[ NSLinkAttributeName ];
     .lineBreakMode = _truncationMode,
     .maximumNumberOfLines = _maximumNumberOfLines,
     .exclusionPaths = _exclusionPaths,
+    // use the property getter so a subclass can provide these scale factors on demand if desired
     .pointSizeScaleFactors = self.pointSizeScaleFactors,
     .layoutManagerCreationBlock = self.layoutManagerCreationBlock,
     .textStorageCreationBlock = self.textStorageCreationBlock,