Options at the bottom of post editor

Hi,

I’ve recently installed the Head, Footer and Post Injections plugin (https://www.satollo.net/plugins/header-footer) to display certain content at the top and bottom of all my blog posts.

I’ve just realised that it’s showing this content at the top and bottom of the Course and Lesson posts.

On normal blog posts there is a menu option right at the bottom of the editor to disable these injections, but this doesn’t appear there for the Course and Lesson posts.

Is there anyway to make it appear there so I can disable them? Or some other thing I can do to stop them appearing here?

Thanks and I hope my explanation made sense.

Jon