docs: add new disable behavior

README.md

@@ -57,7 +57,7 @@ Most options are overwritten (e.g. passing `ft_config = { python = false }` will
 *Note: `iter` doesn't show `spellcap` errors, but works well other than that. I recommend it.*
 
 ## Usage
-The plugin should be good to go after installation with the provided snippet. It has sensible defaults. Run `:Spellwarn enable` or `:Spellwarn disable` to enable/disable during runtime (though this will *not* override `max_file_size`, `ft_config`, or `ft_default`). To disable diagnostics on a specific line, add `spellwarn:disable-next-line` to the line immediately above or `spellwarn:disable-line` to a comment at the end of the line. To disable diagnostics in a file, add a comment with `spellwarn:disable` to the *first* line of the file.
+The plugin should be good to go after installation with the provided snippet. It has sensible defaults. Run `:Spellwarn enable` or `:Spellwarn disable` to enable/disable during runtime (though this will *not* override `max_file_size`, `ft_config`, or `ft_default`). To disable diagnostics on a specific line, add `spellwarn:disable-next-line` to the line immediately above or `spellwarn:disable-line` to a comment at the end of the line. To disable diagnostics in a file, add a comment with `spellwarn:disable` to the *first or second* line of the file.
 
 ## Contributing
 PRs and issues welcome! Please use [Conventional Commits](https://www.conventionalcommits.org/) if submitting a pull request.