update READ.md

README.md

@@ -59,6 +59,9 @@ Uncomment the two following lines to allow the application to build the whole da
     <!--property name="hibernate.hbm2ddl.import_files" value="META-INF/init.sql"/-->
 Restart your webserver.
 
+Uncomment the line
+    <property name="hibernate.hbm2ddl.auto" value="update"/>
+
 **! WARNING !**
 **To avoid any data loss  yous have to re-comment those previous lines. Otherwise the full database will be rebuilt at every restart of the application !**