Fix README.md

Author: Mike

README.md

@@ -1,5 +1,6 @@
 [![Build Status](https://github.com/OCHA-DAP/hdx-python-api/actions/workflows/run-python-tests.yaml/badge.svg)](https://github.com/OCHA-DAP/hdx-python-api/actions/workflows/run-python-tests.yaml)
-[![Coverage Status](https://coveralls.io/repos/github/OCHA-DAP/hdx-python-api/badge.svg?branch=main&ts=1)](https://coveralls.io/github/OCHA-DAP/hdx-python-api?branch=main)[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
+[![Coverage Status](https://coveralls.io/repos/github/OCHA-DAP/hdx-python-api/badge.svg?branch=main&ts=1)](https://coveralls.io/github/OCHA-DAP/hdx-python-api?branch=main)
+[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 [![Imports: isort](https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336)](https://pycqa.github.io/isort/)
 [![Downloads](https://img.shields.io/pypi/dm/hdx-python-api.svg)](https://pypistats.org/packages/hdx-python-api)