I already changed the link on wikilovesmonuments.org to link to the page where the actual information is. I think that people who are coming from there would expect that. I wasn't able to find an English summary page yet.
That add/remove was moving the country from the maybe section to the definitely participating section. See https://commons.wikimedia.org/w/index.php?title=Commons%3AWiki_Loves_Monuments_2012%2FParticipating_countries&diff=75853334&oldid=75787718Lodewijk