Add information on tox usage

This patch also adds link to Python Package Index (like for doc8
package) and removes no longer necessary directory change.

Issue-ID: DOC-502
Change-Id: Ibfeda01256babebd3e5224fe766c740bc738e2e8
Signed-off-by: Pawel Wieczorek <p.wieczorek2@samsung.com>

diff --git a/docs/guides/onap-developer/how-to-use-docs/include-documentation.rst b/docs/guides/onap-developer/how-to-use-docs/include-documentation.rst
index d61cb9c..97a9d73 100644 (file)
--- a/docs/guides/onap-developer/how-to-use-docs/include-documentation.rst
+++ b/docs/guides/onap-developer/how-to-use-docs/include-documentation.rst
@@ -494,12 +494,11 @@ All Documentation
 -----------------
 To build the all documentation under doc/, follow these steps:
 
-Install virtual environment.
+Install `tox <https://pypi.org/project/tox>`_.
 
 .. code-block:: bash
 
-   sudo pip install virtualenv
-   cd /local/repo/path/to/project
+   sudo pip install tox
 
 Download the DOC repository.