Merge pull request #222 from jaytaylor/readme-cleanup

README cleanup: Consistent comment prefixing `////` for raw SQL example output.

README.md

@@ -384,14 +384,14 @@ db.Model(User{}).Updates(User{Name: "hello", Age: 18}).RowsAffected
 ```go
 // Delete an existing record
 db.Delete(&email)
-// DELETE from emails where id=10;
+//// DELETE from emails where id=10;
 ```
 
 ### Batch Delete
 
 ```go
 db.Where("email LIKE ?", "%jinzhu%").Delete(Email{})
-// DELETE from emails where email LIKE "%jinhu%";
+//// DELETE from emails where email LIKE "%jinhu%";
 ```
 
 ### Soft Delete
@@ -417,7 +417,7 @@ db.Unscoped().Where("age = 20").Find(&users)
 
 // Delete record permanently with Unscoped
 db.Unscoped().Delete(&order)
-// DELETE FROM orders WHERE id=10;
+//// DELETE FROM orders WHERE id=10;
 ```
 
 ## Associations