This comes from your active theme structure. The comments div is included in the div with #primary ID. As far as the div with #primary ID has 660px width, the comments area has the same width as well.
In case you want to say thank you! 🙂 We'd really appreciate if you leave a good review on the plugin page. This is the best way to say thank you to this project and the support team.
You can contact the theme support with this question. As I've already mentioned, this comes from the theme structure.
In case you want to say thank you! 🙂 We'd really appreciate if you leave a good review on the plugin page. This is the best way to say thank you to this project and the support team.