the fly and that you can manually edit.  
This file has all the instructions you need in the header. Open it in your favorite text
editor. To select/deselect a revision, simply comment/uncomment it with a `#`. Once the
manual review is done and the file is edited, you can save it. Go back to your terminal
and press `<enter>`. By default it will compute how much space would be freed with the
updated list of revisions. You can continue to edit the file or confirm with `"y"`.  
```sh