diff --git a/Filer-Store-Replication.md b/Filer-Store-Replication.md
index d235f3d..6101447 100644
--- a/Filer-Store-Replication.md
+++ b/Filer-Store-Replication.md
@@ -78,6 +78,6 @@ The subscription will also periodically checkpoint the subscription progress, so
 
 It is actually OK if you need to change filer IP or port. The replication can still resume as long as the filer store has the same content.
 
-# Limitations
+# Limitation
 
 Multiple filers with local leveldb filer stores can work well with the `-peers` configured. However, this layout does not work well with `weed filer.sync` cross data center replication as of now. This is because currently `weed filer.sync` use `filer.store.id` to identify data that needs to be replicated. Having multiple `filer.store.id` will confuse the `weed filer.sync`.