Update adding-model.md (#3382)

* Update adding-model.md

* Update adding-model.md

aspnetcore/tutorials/first-mvc-app/adding-model.md

@@ -87,6 +87,7 @@ You need to create the database, and you'll use the EF Core [Migrations](xref:da
 Note: The version numbers shown above were correct at the time of writing.
 
 Save your changes. 
+<!-- Move the next two sections to an include -->
 
 ## Add initial migration and update the database
 
@@ -107,7 +108,7 @@ Save your changes.
 * `dotnet ef migrations add Initial` Runs the Entity Framework .NET Core CLI migrations command and creates the initial migration. The parameter after "add" is a name that you assign to the migration. Here you're naming the migration "Initial" because it's the initial database migration. This operation creates the *Data/Migrations/\<date-time>_Initial.cs* file containing the migration commands to add the *Movie* table to the database.
 * `dotnet ef database update`  Updates the database with the migration we just created.
 
-You'll learn more about data model changes in the [Add a field](xref:tutorials/first-mvc-app/new-field) tutorial.
+You'll learn about the database and connection string in the next tutorial. You'll learn about data model changes in the [Add a field](xref:tutorials/first-mvc-app/new-field) tutorial.
 
 [!INCLUDE[adding-model](../../includes/mvc-intro/adding-model3.md)]