diff --git a/airflow/jobs/scheduler_job.py b/airflow/jobs/scheduler_job.py
index 4a2c1da584643c..2640f1232efe51 100644
--- a/airflow/jobs/scheduler_job.py
+++ b/airflow/jobs/scheduler_job.py
@@ -751,11 +751,11 @@ def _change_state_for_tis_without_dagrun(self,
         changed manually.
 
         :param old_states: examine TaskInstances in this state
-        :type old_state: list[airflow.utils.state.State]
+        :type old_states: list[airflow.utils.state.State]
         :param new_state: set TaskInstances to this state
         :type new_state: airflow.utils.state.State
         :param simple_dag_bag: TaskInstances associated with DAGs in the
-            simple_dag_bag and with states in the old_state will be examined
+            simple_dag_bag and with states in the old_states will be examined
         :type simple_dag_bag: airflow.utils.dag_processing.SimpleDagBag
         """
         tis_changed = 0