For some reason I am missing some of the syntax highlighting from the example in the docs Example:  My code: <img width="378" alt="Screenshot 2024-01-29 at 6 16 07 PM" src="https://github.com/apollographql/docs/assets/31026538/25f90572-357d-42d2-a80b-614e03af8bc0"> in the example the argument for launch(id: $launchId) is highlighted. why is that?
For some reason I am missing some of the syntax highlighting from the example in the docs
Example:

My code:

in the example the argument for launch(id: $launchId) is highlighted. why is that?