diff --git a/weed-fs/note/replication.txt b/weed-fs/note/replication.txt
index c7d5d0767..398b9b411 100644
--- a/weed-fs/note/replication.txt
+++ b/weed-fs/note/replication.txt
@@ -65,7 +65,7 @@ Plan:
 
 For the above operations, here are the todo list:
   for data node:
-    0. detect existing volumes
+    0. detect existing volumes DONE
     1. onStartUp, and periodically, send existing volumes and maxVolumeCount  store.Join(), DONE
     2. accept command to grow a volume( id + replication level)  DONE
        /admin/assign_volume?volume=some_id&replicationType=01