diff --git a/doc/source/index.rst b/doc/source/index.rst
index c58fcf087d..6e85d98c0f 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -84,7 +84,7 @@ API Documentation
 
 -  `Heat REST API Reference (OpenStack API Complete Reference - Orchestration)`_
 
-   .. _`Heat REST API Reference (OpenStack API Complete Reference - Orchestration)`: http://api.openstack.org/api-ref-orchestration-v1.html
+   .. _`Heat REST API Reference (OpenStack API Complete Reference - Orchestration)`: http://developer.openstack.org/api-ref/orchestration/v1/
 
 
 Code Documentation