mention the documentation license
@@ -51,7 +51,7 @@ Contributions to the source tree should follow the workflow described below:
The workflow for documentation is similar. Please take into account a few things:
1. All documentation is written using the [Sphinx engine markup language](https://www.sphinx-doc.org/). Sphinx allows easy publishing of various output formats such as HTML, LaTeX (for PDF), ePub, Texinfo, etc.
-2. We store the documentation as *.rst files in the [pxc-docs](https://github.com/percona/percona-xtradb-cluster-operator/tree/pxc-docs) branch of the Operator GitHub repository.
+2. We store the documentation as *.rst files in the [pxc-docs](https://github.com/percona/percona-xtradb-cluster-operator/tree/pxc-docs) branch of the Operator GitHub repository. The documentation is licensed under the [Attribution 4.0 International license (CC BY 4.0)](https://creativecommons.org/licenses/by/4.0/).
After [installing Sphinx](https://www.sphinx-doc.org/en/master/usage/installation.html) you can use `make html` or `make latexpdf` commands having the documentation branch as your current directory to build HTML and PDF versions of the documentation respectively.
