diff --git a/Src/Newtonsoft.Json/TypeNameHandling.cs b/Src/Newtonsoft.Json/TypeNameHandling.cs
index 9a5a8cfe..93f1daa0 100644
--- a/Src/Newtonsoft.Json/TypeNameHandling.cs
+++ b/Src/Newtonsoft.Json/TypeNameHandling.cs
@@ -61,6 +61,9 @@ namespace Newtonsoft.Json
 
         /// <summary>
         /// Include the .NET type name when the type of the object being serialized is not the same as its declared type.
+        /// Note that this doesn't include the root serialized object by default. To include the root object's type name in JSON
+        /// you must specify a root type object with <see cref="Newtonsoft.Json.JsonConvert.SerializeObject(object, Type, Newtonsoft.Json.JsonSerializerSettings)"/>
+        /// or <see cref="Newtonsoft.Json.JsonSerializer.Serialize(Newtonsoft.Json.JsonWriter, object, Type)" />.
         /// </summary>
         Auto = 4
     }