Fix invalid topic map

Author: jab-rh

_topic_maps/_topic_map.yml

@@ -1423,7 +1423,7 @@ Topics:
     File: configuring-registry-storage-vsphere
   - Name: Configuring the registry for OpenShift Data Foundation
     File: configuring-registry-storage-rhodf
-  Distros: openshift-enterprise,openshift-origin
+    Distros: openshift-enterprise,openshift-origin
 - Name: Accessing the registry
   File: accessing-the-registry
 - Name: Exposing the registry