Captitalize GH properly
diff --git a/docs/contributing.rst b/docs/contributing.rst
index 486149c..b4c72ba 100644
--- a/docs/contributing.rst
+++ b/docs/contributing.rst
@@ -11,7 +11,7 @@
* Pull requests for both code and documentation
* Patch reviews
-You can file bugs and submit pull requests on `Github`_. To discuss larger
+You can file bugs and submit pull requests on `GitHub`_. To discuss larger
changes you can start a conversation on `our mailing list`_.
Because cryptography is so complex, and the implications of getting it wrong so
@@ -74,7 +74,7 @@
- Use Sphinx parameter/attribute documentation `syntax`_.
-.. _`Github`: https://github.com/alex/cryptography
+.. _`GitHub`: https://github.com/alex/cryptography
.. _`our mailing list`: https://mail.python.org/mailman/listinfo/cryptography-dev
.. _`PEP 8`: http://www.peps.io/8/
.. _`syntax`: http://sphinx-doc.org/domains.html#info-field-lists