diff --git a/Roadmap.md b/Roadmap.md
index 2dcb8c9..9cf40cb 100644
--- a/Roadmap.md
+++ b/Roadmap.md
@@ -51,7 +51,7 @@
 ...
 
 ### `v2.0 Federated or distributed archiving + paid hosted service offering`
- - merkel tree for storing archive output subresource hashes
+ - ZFS / merkel tree for storing archive output subresource hashes
  - DHT for assigning merkel tree hash:file shards to nodes
  - tag system for tagging certain hashes with human-readable names, e.g. title, url, tags, filetype etc.
  - distributed tag lookup system