diff --git a/docs/advanced-usage.md b/docs/advanced-usage.md
index 4f15e371..9802fd77 100644
--- a/docs/advanced-usage.md
+++ b/docs/advanced-usage.md
@@ -481,3 +481,5 @@ with:
   token: ${{ secrets.GH_DOTCOM_TOKEN }}
   python-version: 3.11
 ```
+
+If the runner is not able to access github.com, any Python versions requested during a workflow run must come from the runner's tool cache. See "[Setting up the tool cache on self-hosted runners without internet access](https://docs.github.com/en/enterprise-server@3.2/admin/github-actions/managing-access-to-actions-from-githubcom/setting-up-the-tool-cache-on-self-hosted-runners-without-internet-access)" for more information.
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