diff --git a/README.md b/README.md
index 943f9d0..78e549c 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@ ActiveMQ Store MongoDB project
 
 ### Introduce  
   This project for creating an ActiveMQ Store by MongoDB.
+  If you build all packages from sourcecode with the lastest versions, the xsd files will be auto-generated.
   
 ### Architecture
     1. modify activemq.xsd in activemq-core.jar, insert mongodb node after kahaDB node:
@@ -88,4 +89,4 @@ ActiveMQ Store MongoDB project
         <persistenceAdapter>
             <mongodb host="127.0.0.1" port="27017" db="activemq" />
         </persistenceAdapter>
-    4. package this project to a jar to reference in your project 
\ No newline at end of file
+    4. package this project to a jar to reference in your project