Update debug-rm_volumes.md

docs/debug-rm_volumes.md

@@ -1,4 +1,8 @@
-You may want to remove a set of persistent data to resolve a conflict or to start over:
+You may want to remove a set of persistent data to resolve a conflict or to start over.
+
+`mailcowdockerized` can vary and depends on your compose project name (if it's unchanged, `mailcowdockerized` is the correct value). If you are unsure about volume names, run `docker volumes ls` for a full list.
+
+Delete a single volume:
 
 ```
 docker volume rm mailcowdockerized_${VOLUME_NAME}
@@ -10,4 +14,4 @@ docker volume rm mailcowdockerized_${VOLUME_NAME}
 - Remove volume `rspamd-vol-1` to remove all Rspamd data.
 - Remove volume `crypt-vol-1` to remove all crypto data. This will render **all mails** unreadable.
 
-Running `docker-compose down -v` will **destroy all mailcow: dockerized volumes** and delete any related containers and networks.
+Alternatively, running `docker-compose down -v` will **destroy all mailcow: dockerized volumes** and delete any related containers and networks.