Update README.md

README.md

@@ -3,7 +3,7 @@
 [![PyPI](https://img.shields.io/pypi/v/otter-grader.svg)](https://pypi.org/project/otter-grader/)
 [![DOI](https://zenodo.org/badge/208363438.svg)](https://zenodo.org/badge/latestdoi/208363438)
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-[![Coverage Status](https://coveralls.io/repos/github/chrispyles/otter-grader/badge.svg?branch=master)](https://coveralls.io/github/chrispyles/otter-grader?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/ucbds-infra/otter-grader/badge.svg?branch=master)](https://coveralls.io/github/ucbds-infra/otter-grader?branch=master)
 [![Documentation Status](https://readthedocs.org/projects/otter-grader/badge/?version=latest)](https://otter-grader.readthedocs.io/en/latest/?badge=latest)
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