diff --git a/metadata_service/api/swagger_doc/template.yml b/metadata_service/api/swagger_doc/template.yml
index 34caff2a..d8fe5588 100644
--- a/metadata_service/api/swagger_doc/template.yml
+++ b/metadata_service/api/swagger_doc/template.yml
@@ -121,10 +121,13 @@ components:
         name:
           type: string
           description: 'Column name'
+        key:
+          type: string
+          description: 'Column key'
         description:
           type: string
           description: 'Column description'
-        type:
+        col_type:
           type: string
           description: 'Column type'
         sort_order: