[CSharp/en]extra details for using EntityFramework and namespaces

csharp.html.markdown

@@ -24,19 +24,24 @@ Multi-line comments look like this
 /// </summary>
 //public void MethodOrClassOrOtherWithParsableHelp() {}
 
-// Specify namespaces application will be using
+// Specify the namespaces this source code will be using
+// The namespaces below are all part of the standard .NET Framework Class Libary 
 using System;
 using System.Collections.Generic;
-using System.Data.Entity; // Add dll reference with NuGet: Install-Package EntityFramework
 using System.Dynamic;
 using System.Linq;
-using System.Linq.Expressions;
 using System.Net;
 using System.Threading.Tasks;
 using System.IO;
 
-// defines scope to organize code into "packages"
+// But this is one is not:
-namespace LearningXInYMinutes.CSharp
+using System.Data.Entity;
+// In order to be able to use it, you need to add a dll reference
+// This can be done with the NuGet package manager: `Install-Package EntityFramework`
+
+// Namespaces define scope to organize code into "packages" or "modules"
+// Using this code from another source file: using Learning.CSharp;
+namespace Learning.CSharp
 {
     // Each .cs file should at least contain a class with the same name as the file
     // you're allowed to do otherwise, but shouldn't for sanity.