Fix a title underline
@@ -45,7 +45,8 @@ Install from the latest source from the master branch::
$ pip install -e chainer-chemistry
Run example training code
-========================
+=========================
+
`The official repository <https://github.com/pfnet-research/chainer-chemistry>`_ provides examples
of training several graph convolution networks. The code can be obtained by cloning the repository::
