docs: fix link to docs directory (#487)

src/content/docs/how-to-work-on-the-docs-theme.mdx

@@ -4,7 +4,7 @@ title: How to Work on Documentation
 
 ## Work on the Content of the Docs
 
-To work on the contributing guidelines, you can edit or add files in the `docs` directory [available here](https://github.com/freeCodeCamp/freeCodeCamp/tree/main/docs). When your changes are merged, they will be made available automatically at the documentation site.
+To work on the contributing guidelines, you can edit or add files in the `docs` directory [available here](https://github.com/freeCodeCamp/contribute/tree/main/src/content/docs). When your changes are merged, they will be made available automatically at the documentation site.
 
 When adding a new file to the `docs` directory, you should evaluate if the file should also be added to the sidebar navigation. We typically create a link in the [`_sidebar.md`](_sidebar) file for new and independent guides. Alternatively, You may follow the instructions below on creating an internal link for supporting guides.