chore: master branch is gone

README.rst

@@ -1,16 +1,16 @@
 .. -*- coding: utf-8 -*-
 
-.. image:: https://github.com/gforcada/flake8-plone-api/actions/workflows/testing.yml/badge.svg?branch=master
+.. image:: https://github.com/gforcada/flake8-plone-api/actions/workflows/testing.yml/badge.svg?branch=main
    :target: https://github.com/gforcada/flake8-plone-api/actions/workflows/testing.yml
 
-.. image:: https://coveralls.io/repos/gforcada/flake8-plone-api/badge.svg?branch=master
-   :target: https://coveralls.io/github/gforcada/flake8-plone-api?branch=master
+.. image:: https://coveralls.io/repos/gforcada/flake8-plone-api/badge.svg?branch=main
+   :target: https://coveralls.io/github/gforcada/flake8-plone-api?branch=main
 
 Flake8 Plone API plugin
 =======================
 Checks for code usages that can be replaced with Plone API method calls.
 
-`See the current replacements (on DATA variable at the bottom) <https://github.com/gforcada/flake8-plone-api/blob/master/flake8_plone_api.py>`_
+`See the current replacements (on DATA variable at the bottom) <https://github.com/gforcada/flake8-plone-api/blob/main/flake8_plone_api.py>`_
 and `propose new ones / fix existing ones <https://github.com/gforcada/flake8-plone-api/pulls>`_.
 
 Install