What does 1 Chronicles 11:11 mean?

Here’s the list of David’s top warriors: Jashobeam, son of Hachmoni, was the leader of the top three. He once used his spear to take down three hundred men in a single battle. 1 Chronicles 11:11 - Modern Text Bible

(Jashobeam was famous for his incredible bravery and skill in battle, leading the elite group of David’s fighters.)