Make clear that user deletion is a hard-delete

lang/en/lang.php

@@ -32,15 +32,15 @@
         'impersonate_user' => 'Impersonate user',
         'impersonate_confirm' => 'Impersonate this user? You can revert to your original state by logging out.',
         'impersonate_success' => 'You are now impersonating this user',
-        'delete_confirm' => 'Do you really want to delete this user?',
+        'delete_confirm' => 'Do you really want to delete this user? This user will be permanently removed and unrecoverable.',
         'unban_user' => 'Unban this user',
         'unban_confirm' => 'Do you really want to unban this user?',
         'unbanned_success' => 'User has been unbanned',
         'return_to_list' => 'Return to users list',
         'update_details' => 'Update details',
         'bulk_actions' => 'Bulk actions',
         'delete_selected' => 'Delete selected',
-        'delete_selected_confirm' => 'Delete the selected users?',
+        'delete_selected_confirm' => 'Delete the selected users? These users will be permanently removed and unrecoverable.',
         'delete_selected_empty' => 'There are no selected users to delete.',
         'delete_selected_success' => 'Successfully deleted the selected users.',
         'activate_selected' => 'Activate selected',