diff --git a/README.md b/README.md
index 5946ec4e..a045a274 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,7 @@ import (
 	"github.com/lunny/xorm"
 )
 err, engine := xorm.NewEngine("mysql", "root:123@/test?charset=utf8")
+defer engine.Close()
 ```
 
 or
@@ -64,7 +65,8 @@ import (
 	_ "github.com/mattn/go-sqlite3"
 	"github.com/lunny/xorm"
 )
-err, engine = xorm.NewEngine("sqlite3", "./test.db")
+err, engine = xorm.NewEngine("sqlite3", "./test.db")
+defer engine.Close()
 ```
 
 1.1.If you want to show all generated SQL