What does 2 Chronicles 32:5 mean?

Hezekiah also rebuilt the broken sections of the city wall, built towers, and put up another wall outside the first. He strengthened the Millo in the City of David and made a lot of weapons and shields. 2 Chronicles 32:5 - Modern Text Bible

(Hezekiah didn't just pray—he took real, practical steps to defend the city, improving its defenses and preparing for battle.)