Add another cross reference and fix linting

Author: warsaw

peps/pep-0772.rst

@@ -189,8 +189,8 @@ Election of the council
 
 A council election consists of two phases:
 
-* Phase 1: A voting member (defined later in this document) can nominate any individual for the
-  council elections, including themselves.  Nominations must include information about the nominee's
+* Phase 1: A :ref:`voting member <voting-member>` can nominate any individual for the council
+  elections, including themselves.  Nominations must include information about the nominee's
   relevant affiliations.  Nominees for the Packaging Council do not need to be voting members.
 * Phase 2: Each voting member can assign zero to five stars to each candidate.
   Voting is performed anonymously. The outcome of the vote is determined using
@@ -268,6 +268,8 @@ During a council term, if changing circumstances cause this rule to be broken
 council members must resign to remedy the issue, and the resulting vacancies
 can then be filled as normal.
 
+.. _voting-member:
+
 --------------
 Voting members
 --------------
@@ -419,9 +421,9 @@ this relationship would be figured out by the inaugural council.
 
 .. _appendix_a:
 
-=======================================
+=========================================
 Appendix A: Approval process for this PEP
-=======================================
+=========================================
 
 This PEP would likely require an atypical process for approval given that it
 requires changes to PyPA's governance (which involves a PyPA-committers vote)
@@ -436,9 +438,9 @@ To that end, the process for approval for this PEP will be:
 
 .. _appendix_b:
 
-=================================================
+===================================================
 Appendix B: Operational suggestions for the council
-=================================================
+===================================================
 
 This section is based on what the PEP's authors view as things that would be
 beneficial for the Packaging Council to establish operational processes for.