diff --git a/mindspore/dataset/engine/datasets.py b/mindspore/dataset/engine/datasets.py
index e3ef94e4806de6e3afc40adb06e7e24278f37906..eaff3967d0c98ff6bb6c793f14911d9575070cf1 100644
--- a/mindspore/dataset/engine/datasets.py
+++ b/mindspore/dataset/engine/datasets.py
@@ -925,7 +925,7 @@ class Dataset:
         Args:
             condition_name (str): The condition name that is used to toggle sending next row
             num_batch (int or None): The number of batches(rows) that are released
-                When num_batch is None, it will default to the number specified by the sync_wait operator
+            When num_batch is None, it will default to the number specified by the sync_wait operator
             data (dict or None): The data passed to the callback
         """
         notifiers_dict = self.get_sync_notifiers()