diff --git a/aspnetcore/web-api/jsonpatch.md b/aspnetcore/web-api/jsonpatch.md
index 57e33418d8..27a8e16192 100644
--- a/aspnetcore/web-api/jsonpatch.md
+++ b/aspnetcore/web-api/jsonpatch.md
@@ -46,6 +46,8 @@ The preceding code requires the `Microsoft.AspNetCore.Mvc.NewtonsoftJson` packag
 
 [!code-csharp[](jsonpatch/samples/3.0/WebApp1/Startup.cs?name=snippet1)]
 
+Use the `Newtonsoft.Json.JsonConvert.SerializeObject` method to serialize a JsonPatchDocument.
+
 ## PATCH HTTP request method
 
 The PUT and [PATCH](https://tools.ietf.org/html/rfc5789) methods are used to update an existing resource. The difference between them is that PUT replaces the entire resource, while PATCH specifies only the changes.