update baseline feature description (#8349)

Author: rviscomi

release-notes/v1_100.md

@@ -445,7 +445,7 @@ Recent versions of Node.js have enhanced its network debugging capabilities. The
 
 ### Show browser support for CSS and HTML
 
-When hovering over a CSS property or a HTML element, you now see a summary of how well that property or element is supported across browsers.
+When hovering over a CSS property, HTML element, or HTML attribute, you now see a summary of how well that property or element is supported across browsers using [Baseline](https://developer.mozilla.org/docs/Glossary/Baseline/Compatibility).
 
 ![Screenshot that shows baseline browser support in the CSS hover.](images/1_100/css-baseline.png)