Update contributing.rst instructions for local tests.
fix instruction for sphinx install
fix sample tox run ( replace docstest with docs )
@@ -74,7 +74,7 @@ Building the documentation
Documentation is built with `sphinx <http://sphinx-doc.org/>`_. To build::
- $ pip install sphinx
+ $ pip install -r requirements-docs.txt
$ cd docs
$ make html
@@ -90,7 +90,7 @@ All of the above tests can be run automatically using `tox
To run all tests **without** installing any of the optional
dependencies, do::
- $ tox -e py27,py36,doctests
+ $ tox -e py27,py36,docs
To run the entire test suite, including installation of **all**
optional dependencies, do::
