What does Jeremiah 37:21 mean?

So King Zedekiah ordered that Jeremiah be kept in the courtyard of the guard and given a loaf of bread every day from the bakers' street, as long as there was bread in the city. So Jeremiah stayed in the courtyard of the guard. Jeremiah 37:21 - Modern Text Bible

(Zedekiah grants Jeremiah better conditions, moving him to a less severe confinement and making sure he gets food while supplies last.)