Marketplace -> VSX

Author: cwickham

docs/tools/positron/index.qmd

@@ -6,7 +6,7 @@ title: Positron
 
 Positron bundles both the Quarto CLI and the VS Code Quarto extension so it comes ready to work with Quarto out-of-the-box.
 
-The [Quarto VS Code Extension](https://marketplace.visualstudio.com/items?itemName=quarto.quarto) provides the support for Quarto in Positron, including:
+The [Quarto VS Code Extension](https://open-vsx.org/extension/quarto/quarto) provides the support for Quarto in Positron, including:
 
 -   Integrated render and preview for Quarto documents.
 -   Syntax highlighting for markdown and embedded languages