diff --git a/doc/source/api_ext/index.rst b/doc/source/api_ext/index.rst
index 320241051707..69858008b52b 100644
--- a/doc/source/api_ext/index.rst
+++ b/doc/source/api_ext/index.rst
@@ -28,6 +28,7 @@ Extensions
     :maxdepth: 3
     
     ext_config_drive.rst
+    ext_floating_ip_dns.rst
     ext_floating_ips.rst
     ext_keypairs.rst
     ext_multinic.rst
diff --git a/doc/source/index.rst b/doc/source/index.rst
index c1a41d1077ce..e16cd3dc464c 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -70,7 +70,7 @@ API Extensions
 .. toctree::
    :maxdepth: 1
 
-    api_ext/index
+   api_ext/index
 
 Outstanding Documentation Tasks
 ===============================