diff --git a/doc/source/index.rst b/doc/source/index.rst
index 56631be3b0..7fa9bf8b0b 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -59,7 +59,7 @@ 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.html
+   .. _`Heat REST API Reference (OpenStack API Complete Reference - Orchestration)`: http://api.openstack.org/api-ref-orchestration-v1.html
 
 Operations Documentation
 ========================