master -> main

README.md

@@ -7,7 +7,7 @@ either with internal Flask tests (aka `test_client`) or external tests (with
 Only one set of tests is needed, switching from internal to external is
 achieved through environment variables.
 
-![Status](https://github.com/zx80/flask-tester/actions/workflows/package.yml/badge.svg?branch=master&style=flat)
+![Status](https://github.com/zx80/flask-tester/actions/workflows/package.yml/badge.svg?branch=main&style=flat)
 ![Tests](https://img.shields.io/badge/tests-3%20✓-success)
 ![Coverage](https://img.shields.io/badge/coverage-100%25-success)
 ![Issues](https://img.shields.io/github/issues/zx80/flask-tester?style=flat)