chore: update output parameter docs for DIYgod/RSSHub#15258

src/guide/parameters.md

@@ -131,15 +131,15 @@ There are more details in the [FAQ](/guide/faq).
 
 ## Output Formats
 
-RSSHub conforms to RSS 2.0, Atom, JSON Feed and RSS3 UMS Standard. To obtain the feed in a specific format, simply add the `format` parameter with the value `rss`, `atom`, `json`, or `ums` to the feed address to obtain the feed in corresponding format. The default output format is RSS 2.0.
+RSSHub conforms to RSS 2.0, Atom, JSON Feed, and RSS3 Protocol. To obtain the feed in a specific format, simply add the `format` parameter with the value `rss`, `atom`, `json`, or `rss3` to the feed address to obtain the feed in the corresponding format. The default output format is RSS 2.0.
 
 E.g.
 
 -   Default (RSS 2.0) - [https://rsshub.app/dribbble/popular](https://rsshub.app/dribbble/popular)
 -   RSS 2.0 - [https://rsshub.app/dribbble/popular?format=rss](https://rsshub.app/dribbble/popular?format=rss)
 -   Atom - [https://rsshub.app/dribbble/popular?format=atom](https://rsshub.app/dribbble/popular?format=atom)
 -   JSON Feed - [https://rsshub.app/twitter/user/DIYgod?format=json](https://rsshub.app/twitter/user/DIYgod?format=json)
--   RSS3 UMS - [https://rsshub.app/abc?format=ums](https://rsshub.app/abc?format=ums)
+-   RSS3 - [https://rsshub.app/abc?format=rss3](https://rsshub.app/abc?format=rss3)
 -   Apply filters or URL query - [https://rsshub.app/dribbble/popular?format=atom&filterout=Blue|Yellow|Black](https://rsshub.app/dribbble/popular?format=atom&filterout=Blue|Yellow|Black)
 
 ### debug.json

src/zh/guide/parameters.md

@@ -132,15 +132,15 @@ Telegram 即时预览模式需要在官网制作页面处理模板，请前往[
 
 ## 输出格式
 
-RSSHub 同时支持 RSS 2.0、Atom、JSON Feed 和 RSS3 UMS 输出格式，在路由添加 `format` 参数（值为`rss`、`atom`、`json` 或 `ums`）即可请求对应输出格式，缺省为 RSS 2.0
+RSSHub 同时支持 RSS 2.0、Atom、JSON Feed 和 RSS3 输出格式，在路由添加 `format` 参数（值为`rss`、`atom`、`json` 或 `rss3`）即可请求对应输出格式，缺省为 RSS 2.0
 
 举例:
 
 -   缺省 RSS 2.0 - [https://rsshub.app/jianshu/home](https://rsshub.app/jianshu/home)
 -   RSS 2.0 - [https://rsshub.app/jianshu/home?format=rss](https://rsshub.app/jianshu/home?format=rss)
 -   Atom - [https://rsshub.app/jianshu/home?format=atom](https://rsshub.app/jianshu/home?format=atom)
 -   JSON Feed - [https://rsshub.app/twitter/user/DIYgod?format=json](https://rsshub.app/twitter/user/DIYgod?format=json)
--   RSS3 UMS - [https://rsshub.app/abc?format=ums](https://rsshub.app/abc?format=ums)
+-   RSS3 - [https://rsshub.app/abc?format=rss3](https://rsshub.app/abc?format=rss3)
 -   和 filter 或其他 URL query 一起使用 - `https://rsshub.app/bilibili/user/coin/2267573?format=atom&filter=微小微|赤九玖|暴走大事件`
 
 ### debug.json