diff --git a/engine/src/flutter/lib/ui/painting.dart b/engine/src/flutter/lib/ui/painting.dart
index a38198c02a1..3cdb5abe384 100644
--- a/engine/src/flutter/lib/ui/painting.dart
+++ b/engine/src/flutter/lib/ui/painting.dart
@@ -3484,6 +3484,9 @@ enum TileMode {
   ///
   /// An image filter will substitute transparent black for any sample it must read from
   /// outside its source image.
+  ///
+  /// ![](https://flutter.github.io/assets-for-api-docs/assets/dart-ui/tile_mode_decal_linear.png)
+  /// ![](https://flutter.github.io/assets-for-api-docs/assets/dart-ui/tile_mode_decal_radial.png)
   decal,
 }