Update README.md

Author: dfinke

README.md

@@ -1,6 +1,6 @@
 # vscode-pandoc
 
-The vscode-pandoc [Visual Studio Code](https://code.visualstudio.com/) extension lets you quickly render markdown files as a `pdf`, `word document` or `html` file.
+The vscode-pandoc [Visual Studio Code](https://marketplace.visualstudio.com/items?itemName=DougFinke.vscode-pandoc) extension lets you quickly render markdown files as a `pdf`, `word document` or `html` file.
 
 ## Prerequisites
 
@@ -80,4 +80,4 @@ example:
   * `-s`: produce a standalone document
   * `-t html5`: HTML5 output format
 
-For more information please refer to the [Pandoc User's Guide](http://pandoc.org/README.html).
+For more information please refer to the [Pandoc User's Guide](http://pandoc.org/README.html).