fix: add code block info
diff --git a/README.md b/README.md
index 772009c..7850642 100755
--- a/README.md
+++ b/README.md
@@ -141,7 +141,7 @@
Cinder volume backups are deleted only when that backup is not makaged by
Staffeln. Once staffeln API service is up. You can define similar policy as
following to `/etc/cinder/policy.yaml`:
-```
+```yaml
"backup:delete" : "rule:admin_api or (project_id:%(project_id)s and
http://Staffeln-api-url:8808/v1/backup?backup_id=%(id)s)"
```
@@ -235,7 +235,7 @@
provide required authorization shows in `Authentication` section.
Run
-```
+```shell
openstack volume create --size 1 --image {IMAGE_ID} test-volume
openstack server create --flavor {FLAVOR_ID} --volume {VOLUME_ID} \
--property __staffeln_backup=true --property __staffeln_retention=20min \