Merge branch 'master' into dependabot/github_actions/pypa/gh-action-pypi-publish-1.12.2

Author: nemesifier

Diff for: README.rst

@@ -42,7 +42,8 @@ Firmware upgrader module of OpenWISP.
 Documentation
 -------------
 
-- `Usage documentation <https://openwisp.io/docs/stable/firmware-upgrader/>`_
+- `Usage documentation
+  <https://openwisp.io/docs/stable/firmware-upgrader/>`_
 - `Developer documentation
   <https://openwisp.io/docs/stable/firmware-upgrader/developer/>`_