Topic: trouble with Thomas Hanson's book

Hello! For the first time I try to program Web applications, programming studied in University and it was pascal under DOS. Has decided to begin with Rails. Under the book Flexible working out of Web applications in the environment of Rails. She old enough and doesn't coincide much, but when you solve arising problems, understand more that do, as it seems to me. But now at deadlock. In section of creation of Internet shop, right at the beginning. Under the text, I create the controler admin depot> rails generate controler admin listing AdminController class AdminController <ApplicationController scaffold:product end at connection attempt http://127.0.0.1:3000/admin it is received Routing Error No route matches