Mainly, I just work on minor edits such as misspellings and other errors as well as revert vandalism when I see it, although I do occasionally add information to articles.
... that cyclist Daniela Larreal competed in five Olympic Games for a country that later exiled her?
... that after Hitler came to power in 1933, the newspaper Hakenkreuzbanner acquired an office building and printing presses by seizing them from a Social Democratic publication?