diff --git a/api-ref/source/conf.py b/api-ref/source/conf.py
index a3945a1..575b3a7 100644
--- a/api-ref/source/conf.py
+++ b/api-ref/source/conf.py
@@ -33,7 +33,7 @@ otcdocs_git_type = 'gitea'
 # Those variables are needed for indexing into OpenSearch
 otcdocs_doc_environment = 'internal'
 otcdocs_doc_link = '/mapreduce-service/api-ref/'
-otcdocs_doc_title = 'MapReduce Service - API Reference'
+otcdocs_doc_title = 'API Reference'
 otcdocs_doc_type = 'api-ref'
 otcdocs_service_category = 'big_data'
 otcdocs_service_title = 'MapReduce Service'