Original sentence: Two Spanish ships with reinforcements, however, under Hernando de Soto, soon arrived by sea (with at least a hundred volunteers), and on these ships the Spaniards, bound for more fruitful conquests on the Peruvian mainland, embarked without incident and sailed back towards Tumbes, arriving there on May 16, 1532
Edited sentence: Two Spanish ships with reinforcements, however, under the notorious Hernando de Soto, soon arrived by sea (with at least a hundred volunteers), and on these ships the Spaniards, bound for more fruitful conquests on the Peruvian mainland, embarked without incident and sailed back towards Tumbes, arriving there on May 16, 1532