diff --git a/deploy/helm/values.yaml b/deploy/helm/values.yaml
index 6624e14f302..89b0fe9b278 100644
--- a/deploy/helm/values.yaml
+++ b/deploy/helm/values.yaml
@@ -315,6 +315,10 @@ dataPlane:
             - "true"
 
 # dynamically replace instance's registry. ref: https://github.com/apecloud/kubeblocks/pull/8018
+# e.g.
+# registryConfig: 
+#   defaultRegistry: apecloud-registry.cn-zhangjiakou.cr.aliyuncs.com
+#   defaultNamespace: apecloud
 registryConfig: {}
 
 # Add extra pod labels to KubeBlocks Deployment