mc_tx(9E) has incorrect function name
manpage - manual pages
MC_TX(9E), there is the following paragraph
The mri_tx() entry point is similar to the mc_tx() entry point, except that it is used by device drivers that have negotiated the MAC_CAPAB_RINGS capability with transmit rings. The driver should follow all of the same rules described earlier, except that it will access a ring-specific data structure through driver_rh and when it needs to update that there is additional space available, it must use mac_tx_update_ring(9F) and not mac_tx_update(9F).
mac_tx_update_ring(9F) is incorrect -- it should be