diff --git a/otc_metadata/data/services/antiddos.yaml b/otc_metadata/data/services/antiddos.yaml
index f99644e4..1f318b65 100644
--- a/otc_metadata/data/services/antiddos.yaml
+++ b/otc_metadata/data/services/antiddos.yaml
@@ -8,7 +8,7 @@ repositories:
   repo: opentelekomcloud-docs/anti-ddos
   type: github
 service_category: security-services
-service_title: Anti DDoS
+service_title: Anti-DDoS
 service_type: antiddos
 service_uri: anti-ddos
 teams: