diff --git a/py-polars/polars/datatypes/classes.py b/py-polars/polars/datatypes/classes.py
index 2f6ef0ddf917..4e830cffe76e 100644
--- a/py-polars/polars/datatypes/classes.py
+++ b/py-polars/polars/datatypes/classes.py
@@ -556,6 +556,9 @@ def __init__(  # noqa: D417
         from polars.utils.deprecation import issue_deprecation_warning
 
         if args:
+            # TODO: When removing this deprecation, update the `to_object`
+            # implementation in py-polars/src/conversion.rs to use `call1` instead of
+            # `call`
             issue_deprecation_warning(
                 "Parameters `inner` and `width` will change positions in the next breaking release."
                 " Use keyword arguments to keep current behavior and silence this warning.",