Add python setup.py check to lint
diff --git a/README.rst b/README.rst
index 9609666..8dcfbe8 100644
--- a/README.rst
+++ b/README.rst
@@ -39,13 +39,13 @@
 
 Contributions to this library are always welcome and highly encouraged.
 
-See `CONTRIBUTING`_ for more information on how to get started.
+See `CONTRIBUTING.rst`_ for more information on how to get started.
 
-.. _CONTRIBUTING: https://github.com/GoogleCloudPlatform/google-auth-library-python/blob/master/CONTRIBUTING.rst
+.. _CONTRIBUTING.rst: https://github.com/GoogleCloudPlatform/google-auth-library-python/blob/master/CONTRIBUTING.rst
 
 License
 -------
 
-Apache 2.0 - See `LICENSE`_ for more information.
+Apache 2.0 - See `the LICENSE`_ for more information.
 
-.. _LICENSE: https://github.com/GoogleCloudPlatform/google-auth-library-python/blob/master/LICENSE
+.. _the LICENSE: https://github.com/GoogleCloudPlatform/google-auth-library-python/blob/master/LICENSE
diff --git a/setup.py b/setup.py
index 32c5d02..615753d 100644
--- a/setup.py
+++ b/setup.py
@@ -35,6 +35,7 @@
     author_email='jonwayne+google-auth@google.com',
     description='Google Authentication Library',
     long_description=long_description,
+    url='https://github.com/GoogleCloudPlatform/google-auth-library-python',
     packages=find_packages(exclude='tests'),
     namespace_packages=('google',),
     install_requires=DEPENDENCIES,
diff --git a/tox.ini b/tox.ini
index 6517828..bc7d154 100644
--- a/tox.ini
+++ b/tox.ini
@@ -43,6 +43,7 @@
 [testenv:lint]
 basepython = python3.5
 commands =
+  python setup.py check --metadata --restructuredtext --strict
   flake8 \
     --import-order-style=google \
     --application-import-names="google,tests" \
@@ -53,3 +54,4 @@
   flake8
   flake8-import-order
   pylint
+  docutils