Original sentence: An estimated 46 million people live within a 300 mile radius of Metro Detroit.When Windsor, Ontario and other nearby Canadian cities are included the total reaches 5.9 million.Windsor, Ontario to the extent that it can be, is increasingly considered part of the metro area, since some Canadian residents work in Metro Detroit
Edited sentence: When An estimated 46 million people live within a 300 mile radius of Metro Detroit.Windsor, Ontario is sometimes erroneously considered part of the metro area, since some Canadian residents work in Metro Detroit