The default unit of \fIfile_size\fP is millions of bytes (1,000,000 bytes,
not 1,048,576 bytes).
.IP
-By adding a suffix of k, m or g to the value, the unit
+By adding a suffix of k/K, m/M or g/G to the value, the unit
can be changed to 1,024 (KiB), 1,048,576 (MiB), or 1,073,741,824 (GiB)
respectively.
.TP