Updated Replication (markdown)

Replication.md

@@ -76,7 +76,7 @@ When a client do a write request, here follows the work-flow:
   4. the volume server persist the file and also replicated the file if needed.
   5. If everything is fine, the client get a OK response.
 
-When the client talks to the filer, the filer acts a client on the above.
+When a write is made to the filer, there is an additional step before step 1. and after 5. and the filer acts a client in the step 1 to 5.
 
 ## Fix replication