diff --git a/src/plugins/vis_type_timeline/server/lib/fetch_data_source_id.ts b/src/plugins/vis_type_timeline/server/lib/fetch_data_source_id.ts
index a5e71841e2a7..85de50a62606 100644
--- a/src/plugins/vis_type_timeline/server/lib/fetch_data_source_id.ts
+++ b/src/plugins/vis_type_timeline/server/lib/fetch_data_source_id.ts
@@ -14,7 +14,7 @@ export const fetchDataSourceIdByName = async (
 ) => {
   if (config.data_source_name) {
     if (!getDataSourceEnabled().enabled) {
-      throw new Error('To query from multiple data sources, first enable the data sources feature');
+      throw new Error('To query from multiple data sources, first enable the data source feature');
     }
 
     const dataSources = await client.find<DataSourceAttributes>({