I really loathe the Faux News channel, but when this story broke I tried to investigate some of what this class was about. I found the textbooks online. One of them, called the Everyday Language of White Racism apparently says that saying things like "adios" and "no problemo" makes white people racist.
Honestly, at this point it is like they are totally diluting the meaning of the word racism. It used to mean people who were total bigots and assholes who really did think they were superior to others based on skin color. Now it means white people who are bad at speaking spanish, and like bellydancing and tacos.