diff --git a/src/docs/deployment.md b/src/docs/deployment.md
index 6d7d5564e8..026b0450d7 100644
--- a/src/docs/deployment.md
+++ b/src/docs/deployment.md
@@ -191,6 +191,15 @@ Includes persisted cache across builds. Using [`peaceiris/actions-gh-pages`](htt
 <ol>
 <li>Go to your repository’s Settings on GitHub.</li>
 <li>In the GitHub Pages section change:<ul><li>Source: <code>Deploy from a branch</code></li><li>Branch: <code>gh-pages/(root)</code></li></ul></li>
+<li>Add "build-ghpages" command to your <details><summary><code>package.json</code> scripts section</summary>
+
+```json
+"scripts": {
+  "build-ghpages": "npx @11ty/eleventy --pathprefix=/your-repo-name/",
+}
+```
+
+</details></li>
 <li>Create a new GitHub workflow file in <details><summary><code>.github/workflows/deploy-to-ghpages.yml</code></summary>
 
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