Original sentence: Other squadrons already at sea became embroiled in the campaign: a smaller squadron that had been raiding the African coast under Commodore Jean-Marthe-Adrien L'Hermite since August 1805 provided a diversion to the major campaign but failed to draw off the significant British forces, while the remnants of a French squadron under Contre-Admiral Charles-Alexandre Durand Linois that had been operating in the Indian Ocean since 1803 was intercepted and defeated by Warren in March, after a chance encounter on its journey back to France
Edited sentence: Other squadrons already at sea became embroiled in the campaign: a smaller squadron that had been raiding the African coast under Commodore Jean-Marthe-Adrien L'Hermite since August 1805 provided a diversion to the major campaign but failed to draw off significant British forces, while the remnants of a French squadron under Contre-Admiral Charles-Alexandre Durand Linois that had been operating in the Indian Ocean since 1803 was intercepted and defeated by Warren in March, after a chance encounter on its journey back to France