Update README

README.md

@@ -201,6 +201,9 @@ db.AutoMigrate(User{})
 ```go
 user := User{Name: "jinzhu", Age: 18, Birthday: time.Now()}
 db.Save(&user)
+
+// create with predefined primary key
+db.Create(&User{Id: 999, Name: "user 999"})
 ```
 
 ### NewRecord
@@ -237,12 +240,6 @@ db.Save(&user)
 //// COMMIT;
 ```
 
-### Create With Predefined Primary key
-
-```go
-db.Create(&User{Id: 999, Name: "user 999"})
-```
-
 ## Query
 
 ```go