Error in Repository ?

[Hans <hans.ullrich@pop-h.niedersachsen.de>]

Hello dear maintainers !

Could there be an error in the Filesystem on your ftp-servers ?

I saw the following url:

http://ftp.de.debian.org/debian-amd64/debian-amd64/pool/.....

Why is there the entry "debian-amd64" twice ? Does t have the same content 
like .../debian-amd64/debian/... ?

And what is the correct entry dor the sources.list ? Is suppose, it is still 

deb http://.........../debian-amd64/debian/ sid main

I saw "debian-pure64", too.

I seem to remember somewhere in the past, something changed, does it ?

Best regards  and thanks for help.

Hans