Product Update - Valve 10:59
Updates to Napoleon: Total War have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Napoleon: Total War
Portuguese Infantry units for Great Britain faction no longer refer to themselves as Revolutionary Guards / Guards in acknowledgement voice over when selected on the battle map.
Husares de Valpenas units now have acknowledgement voice over when selected on the battle map.
Husares Francos Numantios units now have acknowledgement voice over when selected on the battle map.
Rain can no longer be heard on buildings / boat structures during battles with the weather set to dust storm or snow storm.
Portuguese units for Great Britain faction now speak Portuguese instead of Polish.
Light Foot infantry units for Great Britain faction now have correct acknowledgement voice over when selected on the battle map .
Fire intensity audio fix for ships on medium fire.
Fixed 5-in Howitzer artillery units acknowledgement voice over when selected on the battle map

Denna updaten var för penninsular enbart tror jag.