Merge pull request readthedocs#5726 from mattparrilla/patch-1

Add note about lack of support for private repos

Author: davidfischer

docs/intro/import-guide.rst

@@ -5,7 +5,9 @@ Importing Your Documentation
    :description lang=en: Import your existing technical documentation from version control into Read the Docs.
 
 
-To import a documentation repository, visit your `Read the Docs dashboard`_ and click Import_.
+To import a public documentation repository, visit your `Read the Docs dashboard`_ and click Import_. For private
+repositories, use the Read the Docs  :doc:`commercial solution <../commercial/index>`.
+
 
 If you have :doc:`connected your Read the Docs account <../connected-accounts>` to GitHub, Bitbucket, or GitLab,
 you will see a list of your repositories that we are able to import.