Fix branch name.
@@ -28,7 +28,7 @@ Apache Libcloud - a unified interface for the cloud
.. image:: https://bestpractices.coreinfrastructure.org/projects/152/badge
:target: https://bestpractices.coreinfrastructure.org/projects/152
-.. image:: https://img.shields.io/codecov/c/github/apache/libcloud/master.svg
+.. image:: https://img.shields.io/codecov/c/github/apache/libcloud/trunk.svg
:target: https://codecov.io/github/apache/libcloud?branch=trunk
Apache Libcloud is a Python library which hides differences between different
