For reasons unrelated, I browsed to this user page on the Portuguese Stack Overflow site. There, I was met by the following:
See the English in the middle?
That should probably be translated. I also noticed that "Tags" is the same as in English, but really don't know enough Portuguese to be able to tell whether that is right or wrong.
I get the same result in incognito mode as well as in Lynx, so this is not my browser doing something fishy or related to my profile.