Update README.md

Author: jhavl

README.md

@@ -9,7 +9,7 @@
 ![PyPI - Python Version](https://img.shields.io/pypi/pyversions/roboticstoolbox-python.svg)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 
-[![Build Status](https://github.com/petercorke/robotics-toolbox-python/workflows/build/badge.svg?branch=master)](https://github.com/petercorke/robotics-toolbox-python/actions?query=workflow%3Abuild)
+[![Build Status](https://github.com/petercorke/robotics-toolbox-python/workflows/Test/badge.svg?branch=master)](https://github.com/petercorke/robotics-toolbox-python/actions?query=workflow%3ATest)
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 [![Language grade: Python](https://img.shields.io/lgtm/grade/python/g/petercorke/robotics-toolbox-python.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/petercorke/robotics-toolbox-python/context:python)
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