I just noticed that it is confusing to me that there are two headings for the "accordion" in the instance settings. I opened the Authentication sectionand tried to close it again by clicking on the second "Authentication" heading. (Image 1)
I suggest to remove the second heading.
General observation:
That clickable "accordion" heading is a bit hard to see since heading and text is vertically aligned. (Image 2)
Proposal: Maybe it would be helpful to move the "inner area", that is expanded, a bit to the right. (Image 3)
Then it would IMHO be clearer.
