Please capitalize where necessary: the three flotillas believed, to have sunk two destroyers and six freighters with a total of 28.000 brt during that night, however, it was seven freighters with 13.134 brt.
The three flotillas believed, to have sunk two destroyers and six freighters with a total of 28.000 BRT during that night, however, it was seven freighters with 13.134 BRT.