fix(Guide): Fix broken notifiarr link on plex tips

docs/Plex/Tips/Plex-media-server.md

@@ -278,7 +278,7 @@ A comma-separated list of URLs (either HTTP or HTTPS), which will be published t
 
 ![!Settings - Network - Webhooks](images/settings-network-webhooks.png)
 
-This feature can be enabled to allow your server to send events to external services. For example [Notifiarr](/Notifiarr/Quick-Start/){:target="_blank" rel="noopener noreferrer"}
+This feature can be enabled to allow your server to send events to external services. For example [Notifiarr](https://notifiarr.com/){:target="_blank" rel="noopener noreferrer"}
 
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