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@@ -4,9 +4,19 @@ To use SendGrid in your C# project, you can either <a href="https://github.com/s
 PM> Install-Package SendGrid 
 ```
 
+The SendGrid library depends on [RestSharp](https://github.com/restsharp/RestSharp). NuGet will handle this dependency automatically, otherwise you will need to add it manually. 
+
 Once you have the SendGrid libraries properly referenced in your project, you can include calls to them in your code. 
 For a sample implementation, check the [Example](https://github.com/sendgrid/sendgrid-csharp/tree/master/SendGrid/Example) folder.
 
+Add the following namespaces to use the library:
+```csharp
+using System.Net;
+using System.Net.Mail;
+using SendGridMail;
+using SendGridMail.Transport;
+```
+
 #How to: Create an email
 
 Use the static **SendGrid.GetInstance** method to create an email message that is of type **SendGrid**. Once the message is created, you can use **SendGrid** properties and methods to set values including the email sender, the email recipient, and the subject and body of the email.