diff --git a/chart/values.schema.json b/chart/values.schema.json
index 31044ddbc2949..33678fb65c9e1 100644
--- a/chart/values.schema.json
+++ b/chart/values.schema.json
@@ -505,7 +505,7 @@
                     "type": "object",
                     "properties": {
                         "repository": {
-                            "description": "The pod_template image repository.",
+                            "description": "The pod_template image repository. If ``config.kubernetes.worker_container_repository`` is set, k8s executor will use config value instead.",
                             "type": [
                                 "string",
                                 "null"
@@ -513,7 +513,7 @@
                             "default": null
                         },
                         "tag": {
-                            "description": "The pod_template image tag.",
+                            "description": "The pod_template image tag. If ``config.kubernetes.worker_container_tag`` is set, k8s executor will use config value instead.",
                             "type": [
                                 "string",
                                 "null"
diff --git a/chart/values.yaml b/chart/values.yaml
index 17231711ee342..c6312e446ead0 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -68,6 +68,10 @@ images:
   # timeout (in seconds) for airflow-migrations to complete
   migrationsWaitTimeout: 60
   pod_template:
+    # Note that `images.pod_template.repository` and `images.pod_template.tag` parameters
+    # can be overridden in `config.kubernetes` section. So for these parameters to have effect
+    # `config.kubernetes.worker_container_repository` and `config.kubernetes.worker_container_tag`
+    # must be not set .
     repository: ~
     tag: ~
     pullPolicy: IfNotPresent