New comment by Zapeth on void-packages repository

https://github.com/void-linux/void-packages/pull/38662#issuecomment-1215196230

Comment:
I noticed that the `rust.description` field in the config.toml hasn't been set yet ([reference](https://github.com/rust-lang/rust/blob/4916e2b9e6ef8cee6f9c6abb75bd01ba9dc07e5c/config.toml.example#L521-L524)), could you maybe also include that here?