.B dump:
.TP
.BI \-level#
-The dump level (any integer). A level 0, full backup, guarantees the
-entire file system is copied (but see also the
+The dump level (any integer). A level 0, full backup, specified by
+.B \-0
+guarantees the entire file system is copied (but see also the
.B \-h
option below). A level number above 0, incremental backup, tells
.B dump