Is this Builder implementation correct?

http://ift.tt/1KYE6DU

is The application of pattern builder at this URL correct?

Shoud it create the object HTMLPage by using Builder and not the Director?

In this case how can the programmer change the internal rappresentation of the object?

I can't understand if I haven't undestood yet well the pattern ot this application of it is wrong...

Can Anyone help to understand, please?