ReleaseChecklist: Update PPA instructions

Author: cameel

ReleaseChecklist.md

@@ -55,13 +55,14 @@
  - [ ] Run ``./scripts/docker_deploy_manual.sh v$VERSION``.
 
 ### PPA
- - [ ] Make sure the ``ethereum/cpp-build-deps`` PPA repository contains ``libz3-static-dev builds`` for all current versions of ubuntu.
-       If not run ``scripts/deps-ppa/static-z3.sh`` (after changing email address and key id and adding the missing ubuntu version) and wait for the builds to succeed before continuing.
- - [ ] Change ``scripts/release_ppa.sh`` to match your key's email and key id; double-check that ``DISTRIBUTIONS`` contains the most recent versions.
- - [ ] Run ``scripts/release_ppa.sh v$VERSION`` to create the PPA release (you need the relevant openssl key).
- - [ ] Wait for the ``~ethereum/ubuntu/ethereum-static`` PPA build to be finished and published for *all platforms*.
+ - [ ] Create ``.release_ppa_auth`` at the root of your local Solidity checkout and set ``LAUNCHPAD_EMAIL`` and ``LAUNCHPAD_KEYID`` to your key's email and key id.
+ - [ ] Double-check that the ``DISTRIBUTIONS`` list in ``scripts/release_ppa.sh`` and ``scripts/deps-ppa/static-z3.sh`` contains the most recent versions of Ubuntu.
+ - [ ] Make sure the [``~ethereum/cpp-build-deps`` PPA repository](https://launchpad.net/~ethereum/+archive/ubuntu/cpp-build-deps) contains ``libz3-static-dev builds`` for all current versions of Ubuntu.
+       If not, run ``scripts/deps-ppa/static-z3.sh`` (after changing email address and key id) and wait for the builds to succeed before continuing.
+ - [ ] Run ``scripts/release_ppa.sh v$VERSION`` to create the PPA release.
+ - [ ] Wait for the [``~ethereum/ethereum-static`` PPA](https://launchpad.net/~ethereum/+archive/ubuntu/ethereum-static) build to be finished and published for *all platforms*.
        **SERIOUSLY: DO NOT PROCEED EARLIER!!!**
-       *After* the static builds are *published*, copy the static package to the ``~ethereum/ubuntu/ethereum`` PPA
+       *After* the static builds are *published*, copy the static package to the [``~ethereum/ethereum`` PPA](https://launchpad.net/~ethereum/+archive/ubuntu/ethereum)
        for the destination series ``Trusty``, ``Xenial`` and ``Bionic`` while selecting ``Copy existing binaries``.
 
 ### Release solc-js