Update v10_00.md

Author: mythz

MyApp/_pages/releases/v10_00.md

@@ -497,7 +497,9 @@ For organizations with legacy applications, it means **modernization is now econ
 
 ## Add ServiceStack Reference
 
-Other disruptive changes in this release include nullable reference type annotations are now enabled by default, where previously DTOs would only include nullable annotations for Nullable Value Type properties:
+Other disruptive changes in this release include nullable reference type annotations are now enabled by default, where it's now assumed ServiceModel projects have `<Nullable>enable</Nullable>`.
+
+Previously DTOs would only include nullable annotations for Nullable Value Type properties, now nullable reference types like `string? Notes`:
 
 ```csharp
 public partial class CreateBooking
@@ -522,9 +524,10 @@ public partial class CreateBooking
 }
 ```
 
-They're now being generated for optional (i.e. non-required) nullable Reference Types as well:
+Will be reflected in the generated DTOs for languages that support nullable annotations. Required reference properties like `Name` are required and optional reference properties like `Notes` are correctly annotated as optional:
 
 ```csharp
+// C# Geenrated DTOs
 public partial class CreateBooking
     : IReturn<IdResponse>, ICreateDb<Booking>
 {
@@ -545,9 +548,10 @@ public partial class CreateBooking
 }
 ```
 
-This is also reflected in generated TypeScript DTOs where required reference properties like `name` are no longer optional and optional reference properties like `notes` are now correctly annotated as optional:
+The same type annotations are also applied to TypeScript DTOs:
 
 ```ts
+// TypeScript Geenrated DTOs
 export class CreateBooking implements IReturn<IdResponse>, ICreateDb<Booking>
 {
     // @Validate(Validator="NotEmpty")