update docs with frontmatter and image change

Author: lawreka

guides/changelogs.mdx

@@ -130,23 +130,23 @@ RSS feeds can integrate with Slack, email, or other subscription tools to notify
 * [Email](https://zapier.com/apps/email/integrations/rss/1441/send-new-rss-feed-entries-via-email) via Zapier
 * Discord bots like [Readybot](https://readybot.io) or [RSS Feeds to Discord Bot](https://rss.app/en/bots/rssfeeds-discord-bot)
 
-To add RSS feed links to your page's [contextual menu](/ai-ingestion#contextual-menu), add the `rss` property to your `docs.json`:
+To make the page's RSS feed discoverable, you can choose to show an RSS icon button that will link to the page's feed at the top of the page. Add `rss: true` to the page frontmatter to enable this:
 
-```json
-"rss": {
-  "pages": ["changelog", "status"]
-}
+```mdx
+---
+rss: true
+---
 ```
 
 <Frame>
   <img 
-    src="/images/changelog-rss-ctx-light.png" 
-    alt="Changelog page in light mode with RSS feed in context menu enabled." 
+    src="/images/changelog-rss-button-light.png" 
+    alt="Changelog page in light mode with RSS feed button enabled." 
     className="block dark:hidden" 
   />
   <img 
     src="/images/changelog-rss-ctx-dark.png" 
-    alt="Changelog page in dark mode with RSS feed in context menu enabled." 
+    alt="Changelog page in dark mode with RSS feed button enabled." 
     className="hidden dark:block" 
   />
 </Frame>