diff --git a/README.rst b/README.rst
index ac8ab28..2509ee7 100644
--- a/README.rst
+++ b/README.rst
@@ -8,4 +8,4 @@ for CASA users.
 
 Visit the `tutorial page <https://radio-astro-tools.github.io/tutorials/>`_
 to access the rendered notebooks and helpful links for interactive
-using with `Binder <mybinder.org>`_.
+using with `Binder <https://mybinder.org/>`_.