stolostron/backlog#1956 Format

Author: cadawson

manage_cluster/rel_img_disconn.md

@@ -10,9 +10,9 @@ In some cases, you need to maintain a custom list of release images when the hub
 
 4. Create `clusterImageSets` command:
 
-```
-oc create -f <clusterImageSet_FILE>
-```
+  ```
+  oc create -f <clusterImageSet_FILE>
+  ```
 
   After running this command for each resource you want to add, the list of available release images will be available.