`-pg_bits` `integer (6 - 14)` (default=`6`)::
-Placement group bits, used to specify the default number of placement
-groups (Note: 'osd pool default pg num' does not work for deafult pools)
+Placement group bits, used to specify the default number of placement groups.
++
+NOTE: 'osd pool default pg num' does not work for default pools.
`-size` `integer (1 - 3)` (default=`2`)::