Update src/content/docs/google-tag-gateway/index.mdx

Co-authored-by: ToriLindsay <[email protected]>

Author: kathayl

src/content/docs/google-tag-gateway/index.mdx

@@ -41,4 +41,5 @@ Now that you have authenticated into your Cloudflare account and configured GTM
 
 ## Related resources
 - [Google Developer Docs: Set up Google tag gateway for advertisers](https://developers.google.com/tag-platform/tag-manager/gateway/setup-guide?setup=auto)
-- [Google Tag Manager Help: Set up Google tag gateway for advertisers in the Google tag with Cloudflare](https://support.google.com/tagmanager/answer/16061406)
+- [Google Help Center: Set up Google tag gateway for advertisers in the Google tag with Cloudflare](https://support.google.com/tagmanager/answer/16061406)
+- [Google Help Center: Set up Google tag gateway for advertisers in Google Tag Manager with Cloudflare](https://support.google.com/analytics/answer/16061641)