diff --git a/dev/README_RELEASE_AIRFLOW.md b/dev/README_RELEASE_AIRFLOW.md
index 7e6005e75bba0..33881515df933 100644
--- a/dev/README_RELEASE_AIRFLOW.md
+++ b/dev/README_RELEASE_AIRFLOW.md
@@ -1631,10 +1631,13 @@ Update the values of `airflowVersion`, `defaultAirflowTag` and `appVersion` in t
 will use the latest released version. You'll need to update `chart/values.yaml`, `chart/values.schema.json` and
 `chart/Chart.yaml`.
 
-Add or adjust significant `chart/newsfragments` to express that the default version of Airflow has changed.
+Add or adjust already existing significant `chart/newsfragments` to express that the default version of Airflow
+has changed.
 
 In `chart/Chart.yaml`, make sure the screenshot annotations are still all valid URLs.
 
+Add `backport-to-chart/v1-2x-test` for automatic backport PR creation for Helm Chart 1.2x release line. Manual backport is required when automatic one will fail.
+
 ## Update airflow/config_templates/config.yml file
 
 File `airflow/config_templates/config.yml` contains documentation on all configuration options available in Airflow. The `version_added` fields must be updated when a new Airflow version is released.