diff --git a/README.md b/README.md
index d384f2c33..d96ae1e5f 100644
--- a/README.md
+++ b/README.md
@@ -495,8 +495,9 @@ public class Foo
 To apply the benefits of the new [JSON source generator](https://devblogs.microsoft.com/dotnet/try-the-new-system-text-json-source-generator/) for System.Text.Json added in .NET 6, you can use `SystemTextJsonContentSerializer` with a custom instance of `RefitSettings` and `JsonSerializerOptions`:
 
 ```csharp
-var options = new JsonSerializerOptions();
-options.AddContext<MyJsonSerializerContext>();
+var options = new JsonSerializerOptions() {
+    TypeInfoResolver = MyJsonSerializerContext.Default
+};
 
 var gitHubApi = RestService.For<IGitHubApi>("https://api.github.com",
     new RefitSettings {