diff --git a/tests/serialization/test_dag_serialization.py b/tests/serialization/test_dag_serialization.py
index 623b2e673102a..62a79faeaad94 100644
--- a/tests/serialization/test_dag_serialization.py
+++ b/tests/serialization/test_dag_serialization.py
@@ -697,7 +697,7 @@ def validate_deserialized_task(
         if isinstance(task, MappedOperator):
             # MappedOperator.operator_class holds a backup of the serialized
             # data; checking its entirety basically duplicates this validation
-            # function, so we just do some satiny checks.
+            # function, so we just do some sanity checks.
             serialized_task.operator_class["_task_type"] == type(task).__name__
             if isinstance(serialized_task.operator_class, DecoratedOperator):
                 serialized_task.operator_class["_operator_name"] == task._operator_name