diff --git a/snippets/csharp/new-in-6/OldCode.cs b/snippets/csharp/new-in-6/OldCode.cs
index f3de343f1b8..924c9f7ddb5 100644
--- a/snippets/csharp/new-in-6/OldCode.cs
+++ b/snippets/csharp/new-in-6/OldCode.cs
@@ -30,11 +30,13 @@ public string FullName
 
 namespace ReadOnlyOldStyle
 {
+    // <Student>
     public class Student
     {
         // <ClassicReadOnlyAutoProperty>
         public string FirstName { get; private set; }
         public string LastName { get; private set; }
+        public ICollection<double> Grades { get; private set; }
         // </ClassicReadOnlyAutoProperty>
 
         // <Construction>
@@ -42,7 +44,9 @@ public Student(string firstName, string lastName)
         {
             FirstName = firstName;
             LastName = lastName;
+            Grades = new List<double>();
         }
         // </Construction>
     }
-}
\ No newline at end of file
+    // </Student>
+}