Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Windhoek:

"

Windhoek's city council has plans to dramatically expand the city's boundaries such that the town area will cover 5,133.4 km2 (1,982.0 sq mi). Windhoek would become the third-largest city in the world by area,[citation needed] after Tianjin and Istanbul, although its population density is only 63 inhabitants per square kilometre.[2]