Banjo-Kazooie Nuts and Bolts Easter Egg - This game must be boring you!

In the Jiggosseum, up high (not really high), there will be a sign. It has the letters going from right to left, and if you watch it long enough it will say "Banjo-Kazooie: Nuts and Bolts must be really boring if you're still reading this instead of playing the game." The sign says many other funny things. But it takes some patience to actually get to them....