update readme

README.md

@@ -152,6 +152,9 @@ jobs:
         if: startsWith(github.ref, 'refs/tags/')
         with:
           body_path: ${{ github.workspace }}-CHANGELOG.txt
+          # note you'll typically need to create a personal access token
+          # with permissions to create releases in the other repo
+          token: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
         env:
           GITHUB_REPOSITORY: my_gh_org/my_gh_repo
 ```