There's the slight heat-lag before her words process, but when they do, Rinzler's head jerks sideways just a little too fast to be casual. It takes him a bit longer to provide any elaboration.

Code access: limited.
Edits not an option.

It's not a lie. Clu's the only one allowed in his code. Of course, the fact that Rinzler doesn't want any of these users changing him?

That matters too.