Original sentence: After short five minutes firing by four costal guns, the cruiser was hit and it retreated.After the convoy was at a range of 24 kilometers, the Finns opened fire by 234mm coastal guns.Destroyers remained undamaged and Kirov was repaired in the naval base, but it lost 17 men and about 30 wounded.In addition to its navy, Finland had its coastal artillery batteries guarding important harbours and naval bases along its coast.On the 1 December, there were fair weather conditions and a visibility was excellent.The Coastal artillery had its greatest effect upon the land war.The Coastal artillery was old-fashioned, but the Finns managed to modernize and improve it.The Finns noticed the Soviet cruiser Kirov and two destroyers.The Soviet knew locations of the Finnish coastal  artilleries, but it became surprise that a fire range was much longer than expected
Edited sentence: After five short minutes firing by four coastal guns, the cruiser was damaged by near misses and retreated.After the convoy was at a range of 24 kilometers, the Finns opened fire with 234 mm coastal guns.In addition to its navy, Finland had its coastal artillery batteries defending important harbours and naval bases along its coast.On 1 December 1939, there were fair weather conditions and visibility was excellent.The Finns spotted the Soviet cruiser Kirov and two destroyers.The Soviets knew the locations of the Finnish coastal batteries, but it became surprise that a fire range was much longer than expected.The coastal artillery had its greatest effect upon the land war.The coastal artillery was old-fashioned, but the Finns managed to modernize and improve it.The destroyers remained undamaged and the Kirov was repaired in the naval base, but it lost 17 men and about 30 wounded