diff --git a/.github/workflows/create-azure-vm-runners.yml b/.github/workflows/create-azure-vm-runners.yml
index 561f631..5f759f6 100644
--- a/.github/workflows/create-azure-vm-runners.yml
+++ b/.github/workflows/create-azure-vm-runners.yml
@@ -25,6 +25,7 @@ on:
 env:
   ACTIONS_RUNNER_ORG: "${{ github.event.inputs.runner_org }}"
   ACTIONS_RUNNER_REPO: "${{ github.event.inputs.runner_repo }}"
+  # This has to be a public URL that the VM can access after creation
   POST_DEPLOYMENT_SCRIPT_URL: https://raw.githubusercontent.com/dennisameling/azure-arm64-gh-actions-runner/main/post-deployment-script.ps1
 
 # The following secrets are required for this workflow to run: