I have installed squid and is working fine, but if i access some blocked sites

I am getting a message " Generated Wed, 15 Dec 2004 11:01:23 GMT by something.some (squid/2.5.STABLE5) if i try to access some blocked sites.

I don't need this squid generetaed message, how do i delete/disable the above info ? is there any file where i can delete this info ?

any help would be highly appricated ?