diff --git a/docs/en/setup/backend/storages/banyandb.md b/docs/en/setup/backend/storages/banyandb.md
index 91db12c986..dd1f01f1d8 100644
--- a/docs/en/setup/backend/storages/banyandb.md
+++ b/docs/en/setup/backend/storages/banyandb.md
@@ -26,7 +26,7 @@ In the `application.yml` file, select the BanyanDB storage provider:
 
 ```yaml
 storage:
-  banyandb:
+  selector: ${SW_STORAGE:banyandb}
 ```
 
 Since 10.2.0, the banyandb configuration is separated to an independent configuration file: `bydb.yaml`: