docs: mention it's only for static content

Author: mcanouil

docs/publishing/quarto-pub.qmd

@@ -7,7 +7,7 @@ provider-publish-url: "https://njones.quarto.pub/blog"
 
 ## Overview
 
-[Quarto Pub](https://quartopub.com) is a free publishing service for content created with Quarto. Quarto Pub is ideal for blogs, course or project websites, books, presentations, and personal hobby sites.
+[Quarto Pub](https://quartopub.com) is a free publishing service for static content created with Quarto. Quarto Pub is ideal for blogs, course or project websites, books, presentations, and personal hobby sites.
 
 It's important to note that all documents and sites published to Quarto Pub are **publicly visible**. You should only publish content you wish to share publicly.