-dit(bf(--remove-sent-files)) This tells rsync to remove from the sending
-side the files and/or symlinks that are newly created or whose content is
-updated on the receiving side. Directories and devices are not removed,
-nor are files/symlinks whose attributes are merely changed.
+dit(bf(--remove-sender-files)) This tells rsync to remove from the sending
+side the files (meaning non-directories) that are a part of the transfer
+and have been successfully duplicated on the receiving side.