Extra "." in Debian instructions

There's an extra "." in the new Debian onion instructions:

.
deb tor://sdscoq7snqtznauu.onion/torproject.org buster main

deb tor://sdscoq7snqtznauu.onion/torproject.org tor-nightly-master-<DISTRIBUTION> main

https://www.torproject.org/docs/debian.html.en