Error in user YAML: (<unknown>): could not find expected ':' while scanning a simple key at line 3 column 1

---
title: scan-QR
description: 针对工厂机iData扫描二维码的插件
Installation:ionic plugin add https://github.com/liujingdong/iDataScanPlugin.git --save
Supported Platforms: android
deleting:
IDataScanPlugin.scan("singleScan",null,success,err);
success:成功回调方法,返回二维码值
error:失败回调方法
---