In the initial screen for a mass operation with object selection, it is also possible to switch to edit the selection. Use push button:
Then the relevant object selection must be chosen.
Only selections suitable for the mass operation will be displayed, e.g. either document or material selections.
The text can be changed or the selection can be deleted.
Selections, which have been created by other users require adequate authorization. Else no changes are possible, the selection will only be displayed.