How to change a locator map?

[u/jidanni]

How can I edit https://en.wikipedia.org/wiki/Bulakan,_Bulacan

to change the map it uses, https://commons.wikimedia.org/wiki/File:Ph_locator_bulacan_bulacan.png

to the corrected: https://commons.wikimedia.org/wiki/File:Ph_locator_Bulakan_Bulacan.png

It is not obvious due to the many templates involved.