[Content design system] Add info about requests to document third-par…

…ty tools (#45857)

Co-authored-by: Kevin Heis <[email protected]>

content/contributing/collaborating-on-github-docs/about-contributing-to-github-docs.md

@@ -45,6 +45,8 @@ A [pull request](/github/collaborating-with-issues-and-pull-requests/about-pull-
 
 We cannot accept contributions to the [REST API reference documentation](/rest/reference). If you spot an inaccuracy in the REST API reference documentation, open an issue in the [`rest-api-description`](https://github.com/github/rest-api-description/issues/new?template=schema-inaccuracy.md) repository.
 
+We only document {% data variables.product.prodname_dotcom %} products, features, tools, and extensions. We do not document third-party tools or integrations unless they were codeveloped with {% data variables.product.company_short %}.
+
 ### Reviewing your own pull requests
 
 You should always review your own pull request first, before marking it as ready for review by others.

content/contributing/writing-for-github-docs/creating-tool-switchers-in-articles.md

@@ -43,7 +43,7 @@ Only include a maximum of eight different tools in an article. Including more to
 
 ## Adding new tools
 
-{% data variables.product.prodname_docs %} documents and maintains tool tags for {% data variables.product.prodname_dotcom %} products, {% data variables.product.prodname_dotcom %}-developed tools, and select third-party extensions.
+{% data variables.product.prodname_docs %} documents and maintains tool tags for {% data variables.product.prodname_dotcom %} products, {% data variables.product.prodname_dotcom %}-developed tools, and select third-party extensions developed in collaboration with {% data variables.product.company_short %} .
 
 New tools are only added when they are the only way to accurately document something for a specific user need. If a writer determines that adding a new tool is the only way to accurately document something, they need to propose the new tool in a content design plan. Whoever reviews the content design plan should consider any alternative ways to address the documentation needs without adding a new tool. If a new tool is the only way to create accurate documentation, the new tool should be added. If there is an alternative content solution that does not add a new tool, that option should be used.