In this album is the caption placed below the image or in a side panel, depending on the available space. See the PhotoSwipe user manual how to select this comment display.
Settings of this album
In this album is the extended comment might be displayed in a side panel, because check-mark: "Show description in side panel" on the Slide page options tab has been set. but bvecause check-mark "Unles the is more space under the photo" is also set, the description could also be placed below the image.
