diff --git a/airflow/providers/cncf/kubernetes/example_dags/example_kubernetes.py b/airflow/providers/cncf/kubernetes/example_dags/example_kubernetes.py
index 07acbebfe1eb9..b65dae9f4e52a 100644
--- a/airflow/providers/cncf/kubernetes/example_dags/example_kubernetes.py
+++ b/airflow/providers/cncf/kubernetes/example_dags/example_kubernetes.py
@@ -70,7 +70,7 @@
                 weight=1,
                 preference=k8s.V1NodeSelectorTerm(
                     match_expressions=[
-                        k8s.V1NodeSelectorRequirement(key="disktype", operator="in", values=["ssd"])
+                        k8s.V1NodeSelectorRequirement(key="disktype", operator="In", values=["ssd"])
                     ]
                 ),
             )