add 'browser extension' clarification

Author: dstrome

.github/workflows/resources/AutoLabelMsftContributor-PrCloseMessage.md

@@ -5,7 +5,7 @@ For example, if the public repository name is `contoso-help`, the private reposi
 Please re-submit your contribution to the private repository. If you can’t find the private repository to use, do one of the following:
 
 - **(Preferred)** Go to <https://aka.ms/SaveTime> and paste the public **Learn** (not GitHub) URL of the page you want to update into the field provided. If you haven't used the Learn Editor before, check out the [Learn Editor documentation](https://learn.microsoft.com/en-us/help/platform/learn-editor-overview). If you see a 404, be sure to sign into Learn by clicking **Sign in** in the top-right corner of the page.
-- Install the **Microsoft Learn maintenance tool** and, while on the article you want to update, click the extension in the toolbar, then choose **MD** or **YML**.
+- Install the **Microsoft Learn maintenance tool** browser extension and, while on the article you want to update, click the extension in the toolbar, then choose **MD** or **YML**.
 - Retrieve the article source URL from page source:  
   1. Right-click on the article page and select **View source**.  
   2. Find *original_content_git_url* and paste that URL into the address bar of a new tab.