Change part-1 and 7 for ef core migration usage

docs/en/Tutorials/Part-1.md

@@ -199,7 +199,7 @@ This will add a new migration class to the project:
 
 ![bookstore-efcore-migration](./images/bookstore-efcore-migration.png)
 
-> If you are using Visual Studio, you may want to use the `Add-Migration Created_Book_Entity -c BookStoreDbContext` and `Update-Database -Context BookStoreDbContext` commands in the *Package Manager Console (PMC)*. In this case, ensure that {{if UI=="MVC"}}`Acme.BookStore.Web`{{else if UI=="BlazorServer"}}`Acme.BookStore.Blazor`{{else if UI=="Blazor" || UI=="NG"}}`Acme.BookStore.HttpApi.Host`{{end}} is the startup project and `Acme.BookStore.EntityFrameworkCore` is the *Default Project* in PMC.
+> If you are using Visual Studio, you may want to use the `Add-Migration Created_Book_Entity` and `Update-Database` commands in the *Package Manager Console (PMC)*. In this case, ensure that `Acme.BookStore.EntityFrameworkCore` is the startup project in Visual Studio and `Acme.BookStore.EntityFrameworkCore` is the *Default Project* in PMC.
 
 {{end}}
 

docs/en/Tutorials/Part-7.md

@@ -90,7 +90,7 @@ You can apply changes to the database using the following command, in the same c
 dotnet ef database update
 ````
 
-> If you are using Visual Studio, you may want to use `Add-Migration Added_Authors -c BookStoreDbContext` and `Update-Database -Context BookStoreDbContext` commands in the *Package Manager Console (PMC)*. In this case, ensure that {{if UI=="MVC"}}`Acme.BookStore.Web`{{else if UI=="BlazorServer"}}`Acme.BookStore.Blazor`{{else if UI=="Blazor" || UI=="NG"}}`Acme.BookStore.HttpApi.Host`{{end}} is the startup project and `Acme.BookStore.EntityFrameworkCore` is the *Default Project* in PMC.
+> If you are using Visual Studio, you may want to use the `Add-Migration Created_Book_Entity` and `Update-Database` commands in the *Package Manager Console (PMC)*. In this case, ensure that `Acme.BookStore.EntityFrameworkCore` is the startup project in Visual Studio and `Acme.BookStore.EntityFrameworkCore` is the *Default Project* in PMC.
 
 {{else if DB=="Mongo"}}