linting docs

Author: bertiethorpe

docs/experimental/slurm-controlled-rebuild.md

@@ -12,7 +12,9 @@ In summary, the way this functionality works is as follows:
 
 1. The image references(s) are manually updated in the OpenTofu configuration
    in the normal way.
-2. `lock_unlock_instances.yml --limit control,login -e "appliances_server_action=unlock"`
+2. ``` ansible-playbook lock_unlock_instances.yml
+       --limit control,login -e "appliances_server_action=unlock"
+   ```
    is run to unlock the control and login nodes for reimaging.
 2. `tofu apply` is run which rebuilds the login and control nodes to the new
    image(s). The new image reference for compute nodes is ignored, but is