diff --git a/content/posts/automate-packer-builds-github-actions/index.md b/content/posts/automate-packer-builds-github-actions/index.md
index 5f02f6f..93a6e11 100644
--- a/content/posts/automate-packer-builds-github-actions/index.md
+++ b/content/posts/automate-packer-builds-github-actions/index.md
@@ -438,6 +438,7 @@ If it fails for some reason, the `Retry on failure` step will try again, just in
 Here's the complete `.github/workflows/build.yml`, all in one code block:
 
 ```yaml
+# torchlight! {"lineNumbers":true}
 name: Build VM Templates
 
 on: