diff --git a/winarea_d2d/ui.h b/winarea_d2d/ui.h
index 9eae3ff6..461cb8b1 100644
--- a/winarea_d2d/ui.h
+++ b/winarea_d2d/ui.h
@@ -102,6 +102,8 @@ struct uiDrawBrush {
 	// TODO cairo documentation is inconsistent about pad
 
 	// TODO images
+
+	// TODO transforms
 };
 
 struct uiDrawBrushGradientStop {