@@ -359,9 +359,9 @@ The following journal options are supported:
.BI size= journal-size
Create an internal journal (i.e., stored inside the filesystem) of size
.I journal-size
-megabytes.
+MiB.
The size of the journal must be at least 1024 filesystem blocks
-(i.e., 1MB if using 1k blocks, 4MB if using 4k blocks, etc.)
+(i.e., 1MiB if using 1024 byte blocks, 4MiB if using 4096 byte blocks, etc.)
and may be no more than 102,400 filesystem blocks.
@JDEV@.TP
@JDEV@.BI device= external-journal
@@ -638,21 +638,21 @@ using a comma separated list.
If this option is is not specified,
.B mke2fs
will pick a single default usage type based on the size of the filesystem to
-be created. If the filesystem size is less than or equal to 3 megabytes,
+be created. If the filesystem size is less than or equal to 3 MiB,
.B mke2fs
will use the filesystem type
.IR floppy .
If the filesystem size is greater than 3 but less than or equal to
-512 megabytes,
+512 MiB,
.BR mke2fs (8)
will use the filesystem type
.IR small .
-If the filesystem size is greater than or equal to 4 terabytes but less than
-16 terabytes,
+If the filesystem size is greater than or equal to 4 TiB but less than
+16 TiB,
.BR mke2fs (8)
will use the filesystem type
.IR big .
-If the filesystem size is greater than or equal to 16 terabytes,
+If the filesystem size is greater than or equal to 16 TiB,
.BR mke2fs (8)
will use the filesystem type
.IR huge .