diff --git a/otc_metadata/data/services.yaml b/otc_metadata/data/services.yaml
index 3d057439..03179fa8 100644
--- a/otc_metadata/data/services.yaml
+++ b/otc_metadata/data/services.yaml
@@ -1440,7 +1440,7 @@ services:
         repo: opentelekomcloud-docs/mapreduce-service
         type: github
     service_category: big_data
-    service_title: Map Reduce Service
+    service_title: MapReduce Service
     service_type: mrs
     teams:
       - name: docs-bigdata-ai-rw