Update README.md

Author: pamelafox

README.md

@@ -11,7 +11,7 @@ It includes `pytest` for testing plus the `pytest-cov` plugin to measure coverag
 
 The checks and tests are all run using Github actions on every pull request and merge to main.
 
-This repository is setup for Python 3.11. To customize that:
+This repository is setup for Python 3.11. To change the version:
 1. Change the `image` argument in `.devcontainer/devcontainer.json` (see [https://github.com/devcontainers/images/tree/main/src/python](https://github.com/devcontainers/images/tree/main/src/python#configuration) for a list of pre-built Docker images)
 1. Change the config options in `.precommit-config.yaml`
 1. Change the version number in `.github/workflows/python.yaml`