diff --git a/packages/starlight-ghostcms/README.md b/packages/starlight-ghostcms/README.md
index 88da96e6..d9cbcd4e 100644
--- a/packages/starlight-ghostcms/README.md
+++ b/packages/starlight-ghostcms/README.md
@@ -49,7 +49,9 @@ export default defineConfig({
   integrations: [
     starlight({
       plugins: [
-        starlightGhostCMS()
+        starlightGhostCMS({
+          ghostURL: "https://ghostdemo.matthiesen.xyz"
+        })
       ],
       title: 'My Docs',
     }),
@@ -63,7 +65,7 @@ You must also create 2 environment variables in a `.env` file with the following
 
 ```env
 CONTENT_API_KEY=a33da3965a3a9fb2c6b3f63b48
-CONTENT_API_URL=https://ghostdemo.matthiesen.xyz
+CONTENT_API_URL=https://ghostdemo.matthiesen.xyz // ghostURL option in `astro.config.mjs` will take priority. (This is fallback option)
 GITHUB_PERSONAL_TOKEN=ghp_ //OPTIONAL - This is for Astro-Gists if you choose to use it!
 ```