Update objects.py comment

kubric/core/objects.py

@@ -294,10 +294,12 @@ class FileBasedObject(PhysicalObject):
   # accidental deletion of objects from the scene.
   #
   # This will break certain features of kubric like assigning meterials to
-  # assets or other functions that expect the asset to be a mesh. Also
-  # when used with PyBullet for simulations, the non-animated collision mesh is
-  # used which can lead to unexpected behavior when an animated object is used
-  # in a physics simulation.
+  # assets or other functions that expect the asset to be a mesh. For
+  # example, when assigning segmentation_ids you may want to reconstruct
+  # kb.Asset recursively on the top-level empty and set the `segmentation_id`.
+  # Also when used with PyBullet for simulations, the non-animated collision
+  # mesh is used which can lead to unexpected behavior when an animated object
+  # is used in a physics simulation.
   use_parenting_instead_of_join = tl.Bool(False)
 
   # TODO: trigger error when changing filenames or asset-id after the fact