diff --git a/docs/source/index.rst b/docs/source/index.rst
index 9891f49..ed7bbb1 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -8,7 +8,7 @@ and offers a *simple* and *intuitive* API.
 
 Check out the :doc:`usage` section for further information, including
 how to :ref:`installation` the project.
-Lumache has its documentation hosted on Read the Docs.
+Lumache has its documentation hosted on Read the Docs. :)
 
 .. note::