I often update README files or documentation comments and submit PRs when I find incorrect documentation.
I’ve had mixed results. Most maintainers are happy to receive a well formatted update to their documentation. Some get angry at me for submitting non-code updates. It’s weird
There's nothing wrong with fixing actual mistakes. It's obviously in everyone's best interest for documentation to be correct.
But updating dependencies and such is totally unproductive. It's contributing for the sake of having contributed in its purest form. The only thing that's worse is opening a PR to add a political banner to someone else's readme, and then getting very pissed off when they respectfully close it.
I’ve had mixed results. Most maintainers are happy to receive a well formatted update to their documentation. Some get angry at me for submitting non-code updates. It’s weird