diff --git a/Tutorials/1/README.md b/Tutorials/1/README.md
index 5c3c627..f04cbb4 100644
--- a/Tutorials/1/README.md
+++ b/Tutorials/1/README.md
@@ -39,7 +39,7 @@ This class is part of the M# framework, so at the top of your document you need
 ```csharp
 using MSharp;
 
-namespace Model
+namespace Domain
 {
     public class Category : EntityType
     {
@@ -60,7 +60,7 @@ In a similar way add another entity type called *Contact* but this time with a s
 ```csharp
 using MSharp;
 
-namespace Model
+namespace Domain
 {
     public class Contact : EntityType
     {