diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 5c18a6a0b..fb8a80fb2 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -1 +1,15 @@
-.. include:: doc/contributing.rst
+#################
+How to contribute
+#################
+
+Contributions are always welcome. If you want to submit a patch,
+please respect the following rules:
+
+- Open a pull request on the appropriate repository
+- Respect `PEP8 <https://www.python.org/dev/peps/pep-0008/>`_
+- Prefer double quotes (") over single quotes (')
+- Document your patch and respect `PEP 257 <https://www.python.org/dev/peps/pep-0257/>`_
+- Add unit tests and make sure the global coverage does not decrease
+
+If all those steps are validated, your contribution will generally be
+integrated.