diff --git a/datasets/flwr_datasets/federated_dataset.py b/datasets/flwr_datasets/federated_dataset.py
index 09eb840cf639..d102df2c9ae6 100644
--- a/datasets/flwr_datasets/federated_dataset.py
+++ b/datasets/flwr_datasets/federated_dataset.py
@@ -49,7 +49,8 @@ class FederatedDataset:
     partitioners : Dict[str, Union[Partitioner, int]]
         A dictionary mapping the Dataset split (a `str`) to a `Partitioner` or an `int`
         (representing the number of IID partitions that this split should be partitioned
-        into).
+        into). One or multiple `Partitioner`s can be specified in that manner, but at
+        most, one per split.
     shuffle : bool
         Whether to randomize the order of samples. Applied prior to resplitting,
         speratelly to each of the present splits in the dataset. It uses the `seed`