No list for country question on lesson

I got the following question wrong because I didn't know what 'South America' was in French. Clicking on the 'Learn and Discuss' button lead me to this lesson, where South America is not mentioned. In fact, the 2 links presented in this lesson for learning more also don't contain a list of continents. It's only in the 2nd link of this lesson (En/au/aux = In/to with countries and continents (French Prepositions)), that it mentions South America in an example, rather than as part of the main lesson. Perhaps this lesson should contain a list of continents if it's going to be linked to by the below question:

________ est un vaste continent. South America is a vast continent.