diff --git a/otc_metadata/data/documents/antiddos-api-ref.yaml b/otc_metadata/data/documents/antiddos-api-ref.yaml
index 723c4e9..9f47025 100644
--- a/otc_metadata/data/documents/antiddos-api-ref.yaml
+++ b/otc_metadata/data/documents/antiddos-api-ref.yaml
@@ -4,7 +4,7 @@ html_location: docs/antiddos/api-ref
 link: /anti-ddos/api-ref/
 rst_location: api-ref/source
 service_type: antiddos
-title: API Reference
+title: API Reference a
 type: api-ref
 cloud_environments:
   - name: eu_de