diff --git a/source/tutorial/model-referenced-one-to-many-relationships-between-documents.txt b/source/tutorial/.. default-domain:: mongodb 
similarity index 97%
rename from source/tutorial/model-referenced-one-to-many-relationships-between-documents.txt
rename to source/tutorial/.. default-domain:: mongodb 
index 1b4fe44a63f..eda61f147e1 100644
--- a/source/tutorial/model-referenced-one-to-many-relationships-between-documents.txt
+++ b/source/tutorial/.. default-domain:: mongodb 	
@@ -44,7 +44,7 @@ Embedding the publisher document inside the book document would lead to
                  location: "CA"
                }
    }
-
+..default-domain:: mongodb
    {
       title: "50 Tips and Tricks for MongoDB Developer",
       author: "Kristina Chodorow",
@@ -110,6 +110,7 @@ the book document:
       location: "CA"
    }
 
+.. default-domain:: mongodb
    {
       _id: 123456789,
       title: "MongoDB: The Definitive Guide",
@@ -119,6 +120,7 @@ the book document:
       language: "English",
       publisher_id: "oreilly"
    }
+.. default-domain:: mongodb
 
    {
       _id: 234567890,