http://www.railwaygazette.com/news/news/asia/single-view/view/dageu-metro-reaches-myeonggok.html
The new terminus is Seolhwa Myeonggok, instead of Myeonggok station.
It's the result of disputes over the station name between residents in Seolhwa and in Myeonggok.
These days, this type of station name is increasing in South Korea and Japan to avoid conflict between local residents.