diff --git a/README.rst b/README.rst
index 363dcb0..9b83f08 100644
--- a/README.rst
+++ b/README.rst
@@ -85,6 +85,11 @@ Usage Example
 
     time.sleep(120)
 
+Documentation
+=============
+
+API documentation for this library can be found on `Read the Docs <https://circuitpython.readthedocs.io/projects/pioasm/en/latest/>`_.
+
 Contributing
 ============