Fixed typo

Author: seanlaw

README.rst

@@ -17,7 +17,7 @@
     :target: https://dev.azure.com/stumpy-dev/stumpy/_build/latest?definitionId=2&branchName=master
     :alt: Build Status
 .. image:: https://github.com/TDAmeritrade/stumpy/workflows/Tests/badge.svg
-    :target https://github.com/TDAmeritrade/stumpy/actions?query=workflow%3ATests+branch%3Amaster)
+    :target: https://github.com/TDAmeritrade/stumpy/actions?query=workflow%3ATests+branch%3Amaster)
     :alt: Test Status
 .. image:: https://readthedocs.org/projects/stumpy/badge/?version=latest
     :target: https://stumpy.readthedocs.io/