diff --git a/README.rst b/README.rst
index 2abd13a..41b3a4e 100644
--- a/README.rst
+++ b/README.rst
@@ -4,6 +4,10 @@ Order
 .. image:: https://img.shields.io/travis/ipudu/order.svg
     :target: https://travis-ci.org/ipudu/order
 
+.. image:: https://readthedocs.org/projects/order/badge/?version=latest
+    :target: http://order.readthedocs.io/en/latest/?badge=latest
+    :alt: Documentation Status
+
 A tool to characterize the local structure of liquid water by geometric order parameters.
 
 Installation