reworded todo

zfs-backup.py

@@ -31,7 +31,7 @@ def main():
 # TODO tests
 # TODO docstrings
 # TODO --skip-import
-# TODO --skip-post-backup-scrub
+# TODO skip post-backup scrub if nothing was sent (except when pre-scrub was also skipped)
 # TODO print time estimation while scrub is in progress
 # TODO logging
 # TODO type hints