what is the source of humor in chapter 11

Dressed as a girl, Huck knocks on the door of the house. The woman lets him in, believing him to be a young girl. Huck inquires about the area, and the woman talks for over an hour about her problems. Check the whole story out below:

http://www.gradesaver.com/the-adventures-of-huckleberry-finn/study-guide/section3/