-Large numbers may be output in larger units, with a K (1024), M (1024*1024),
-or G (1024*1024*1024) suffix.
-
-dit(bf(--si)) Similar to the bf(--human-readable) option, but using powers
-of 1000 instead of 1024.
+This makes big numbers output using larger units, with a K, M, or G suffix. If
+this option was specified once, these units are K (1000), M (1000*1000), and
+G (1000*1000*1000); if the option is repeated, the units are powers of 1024
+instead of 1000.