Update content/en/docs/tasks/administer-cluster/configure-upgrade-etcd.md

Co-authored-by: Rey Lejano <[email protected]>

Author: ganeshniyer

content/en/docs/tasks/administer-cluster/configure-upgrade-etcd.md

@@ -283,7 +283,7 @@ the endpoint, certificates etc as shown below:
 ```shell
 ETCDCTL_API=3 etcdctl --endpoints=[127.0.0.1:2379] \
   --cacert=<trusted-ca-file> --cert=<cert-file> --key=<key-file> \
-  snapshot save backup-file-location
+  snapshot save <backup-file-location>
 ```
 where `trusted-ca-file`, `cert-file` and `key-file` can be obtained from the description of the etcd Pod.