Adjusting content and commenting out the optional template functionality

Author: thinkingserious

SendGrid/Example/Example.cs

@@ -32,11 +32,12 @@ private static void HelloEmail()
             Email email = new Email("[email protected]");
             mail.Personalization[0].AddTo(email);
 
-            //If you want to use a tempalte
-            //Adding this will replace the above added subject and content
-            mail.TemplateId = "TEMPLATE_ID";
-            mail.Personalization[0].AddSubstitution("[KEY_1]", "VALUE_1");
-            mail.Personalization[0].AddSubstitution("[KEY_2]", "VALUE_1");
+            // If you want to use a transactional [template](https://sendgrid.com/docs/User_Guide/Transactional_Templates/index.html),
+            // the following code will replace the above subject and content. The sample code assumes you have defined
+            // substitution variables [KEY_1] and [KEY_2], to be replaced by VALUE_1 and VALUE_2 respectively, in your template.
+            //mail.TemplateId = "TEMPLATE_ID";
+            //mail.Personalization[0].AddSubstitution("[KEY_1]", "VALUE_1");
+            //mail.Personalization[0].AddSubstitution("[KEY_2]", "VALUE_2");
 
             dynamic response = sg.client.mail.send.post(requestBody: mail.Get());
             Console.WriteLine(response.StatusCode);