PDF Version of code example broken formatting

### Type of issue

Typo

### Description

While reading the pdf version of this document this section in has the code section formatting broken compared to the web version

But on the web it correctly separates the code sections:

This is causing a bit of confusion as the pdf code example has just regular text inside of the code

### Page URL

https://learn.microsoft.com/en-us/dotnet/architecture/microservices/microservice-ddd-cqrs-patterns/implement-value-objects

### Content source URL

https://github.com/dotnet/docs/blob/main/docs/architecture/microservices/microservice-ddd-cqrs-patterns/implement-value-objects.md

### Document Version Independent Id

cf912666-9ad3-1673-8f69-6bf52c034ef9

### Article author

@jamesmontemagno

### Metadata

* ID: 70b14bbb-dc66-f1a2-8b14-39ef3b4bde1d
* Service: **dotnet-architecture**
* Sub-service: **microservices**