Update advanced-usage.md

Author: jamesottaway

Diff for: docs/advanced-usage.md

@@ -248,4 +248,4 @@ steps:
 - run: npm rebuild && npm run prepare --if-present
 ```
 
-NOTE: As per https://github.com/actions/setup-node/issues/49 you cannot use `secrets.GITHUB_TOKEN` to access private GitHub Packages within the same organisation.
+NOTE: As per https://github.com/actions/setup-node/issues/49 you cannot use `secrets.GITHUB_TOKEN` to access private GitHub Packages within the same organisation but in a different repository.