Update index.mdx (cloudflare#21220)

List the correct instructions to navigate to the dashboard location of Google tag feature and clarify that a domain must be selected

Author: simon-says

src/content/docs/google-tag-first-party-mode/index.mdx

@@ -15,17 +15,18 @@ At the moment, Google tag in first-party mode is in closed beta. You can [sign u
 ### Configure Google tag in first-party mode in the dashboard
 
 1. Log in to the [Cloudflare dashboard](https://dash.cloudflare.com/login) and select your account.
-2. Go to **Google tag in first-party mode** > **Configuration**.
-3. Enable the toggle for **Turn on and configure Google tag**. 
+2. Go to **Tag Management** > **Google tag**.
+3. Select your domain.
+4. Enable the toggle for **Turn on and configure Google tag**. 
 
 ![Google tag in first-party mode configuration](~/assets/images/google-tag-first-party-mode/google-tag-configuration.png)
 
-4. Add your Google tag ID and the path on your website reserved for the Google tag. 
+5. Add your Google tag ID and the path on your website reserved for the Google tag. 
 The [Google tag ID](https://support.google.com/analytics/answer/9539598?hl=en) can be found in the Google Tag Experience dashboard. The measurement path is an unused path on your site that will load Google Tag Manager and all subsequent measurement requests.  
 
 ![Add to ID and path](~/assets/images/google-tag-first-party-mode/google-tag-id-path.png)
 
-5. Once you click **Save**, Google Tag in First Party Mode will be enabled on your zone. If you already have a GTM script on your website, this First Party Tag will override the existing script.
+6. Once you click **Save**, Google Tag in First Party Mode will be enabled on your zone. If you already have a GTM script on your website, this First Party Tag will override the existing script.
 
 Now that you have authenticated into your Cloudflare account and configured GTM in first-party mode, your Google Tags will be loaded using `https://your-domain/measurement-path/...`and subsequent measurement requests will be served by Cloudflare.