clarify origin trial for file events

Author: bpasero

release-notes/v1_95.md

@@ -173,9 +173,9 @@ This milestone we have introduced the setting `setting(editor.occurrencesHighlig
 
 ## VS Code for the Web
 
-### Local file events support
+### Local file events support on https://insiders.vscode.dev
 
-When using Chrome or Edge as of version 129, opening <https://vscode.dev> with a local folder now supports file events. If you make changes to files and folders of the opened workspace outside the browser, these changes will be reflected immediately inside the browser.
+When using Chrome or Edge as of version 129, opening <https://insiders.vscode.dev> with a local folder now supports file events. If you make changes to files and folders of the opened workspace outside the browser, these changes will be reflected immediately inside the browser.
 
 This feature is leveraging the new [`FileSystemObserver`](https://chromestatus.com/feature/4622243656630272) interface that is proposed as new API for the web.