update the release instructions

docs/release.md

@@ -4,9 +4,13 @@ Notes to self about making a release:
 2. Make a tag pointing to that commit named after the new version.
 3. `git push && git push --tags`
 4. Copy the commit message to https://groups.google.com/forum/#!forum/peru-tool.
-5. `python3 setup.py register sdist upload`
-6. Bump the AUR package.
+5. `python3 setup.py sdist`
+6. `twine upload dist/*`
+ - Full instructions here: https://packaging.python.org/tutorials/packaging-projects
+7. Bump the AUR package.
  - `git clone ssh+git://aur@aur.archlinux.org/peru-git`
- - `makepkg -d && mksrcinfo`
- - Commit and push.
-7. Poke Sean to update the Ubuntu PPA :)
+ - Probably don't touch this one if it's just a version bump.
+ - `makepkg -d && mksrcinfo`
+ - Commit and push.
+ - `git clone ssh+git://aur@aur.archlinux.org/peru`
+8. Poke Sean to update the Ubuntu PPA :)