"There are no plugin settings" is false since version 1.3.2.1 in 2018, when we added a settings page. We can probably strike the words "There are no plugin settings, but" and start the sentence with "There are some...."
This page should mention Gutenberg compatibility before the shortcode.
The documentation at https://support.inn.org/article/100-pym-shortcode needs to be updated in the following ways:
Discovered during https://github.com/INN/pym-shortcode/issues/68