"bcachefs mount" missing subcommand in help output

[EirikAskheim]

Should display Usage: bcachefs mount <DEV> [MOUNTPOINT]

Output:

$ bcachefs mount
error: the following required arguments were not provided:
  <DEV>

Usage: bcachefs <DEV> [MOUNTPOINT]

For more information, try '--help'.

$ bcachefs version
bcachefs tool version 1.3.3