When one has selected several files to delete, the confirmation simply asks "Would you like to delete all selected files" - it would help to specify how many files have been selected.
This becomes a problem when I have accidentally selected multiple files even though I meant to select only one - and I do not realize it. This is also an issue when the selections I have made are on multiple pages and can only be seen by scrolling. This is really a usability bug IMO.
The status bar at the bottom shows you how many files you have loaded and how many of these are selected.
In this case 166 have been loaded and 2 of them are selected.
Thanks for this tip - I had not noticed this before. I would still make the request to have the count in the pop-up - just from a usability point of view. But knowing to look at the status bar definitely is useful.