Broken link to torel-design.txt
The link to torel-design.txt on https://www.torproject.org/projects/tordnsel.html.en is broken as torel-design.txt was removed from the TOR Git repository in commit a3f6f3316a8037e723f225021186a772cb6707fe
You can see the document here :
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information