[0_gravitas]

I'm a fan of grammatical radicalism, the parens are appropriate if they're meant to convey a certain tone/voice in the writing, like a quick added-in-fragment after you're done saying the original title (as if you were giving a presentation).

[leoc]

It sounds as if what you want there is an em-dash.

[0_gravitas]

Also valid--but I think both work.