Clarify Pages apex domain setup (#4955)

Co-authored-by: Tammy Metz <tmetz@github.com>

Author: JOJ0

content/github/working-with-github-pages/managing-a-custom-domain-for-your-github-pages-site.md

@@ -60,7 +60,7 @@ To set up a `www` or custom subdomain, such as `www.example.com` or `blog.exampl
 
 ### Configuring an apex domain
 
-To set up an apex domain, such as `example.com`, you must configure a _CNAME_ file  in your {% data variables.product.prodname_pages %} repository and an `ALIAS`, `ANAME`, or `A` record with your DNS provider.
+To set up an apex domain, such as `example.com`, you must configure a _CNAME_ file  in your {% data variables.product.prodname_pages %} repository and at least one `ALIAS`, `ANAME`, or `A` record with your DNS provider.
 
 {% data reusables.pages.www-and-apex-domain-recommendation %}
 
@@ -70,7 +70,7 @@ To set up an apex domain, such as `example.com`, you must configure a _CNAME_ fi
   ![Save custom domain button](/assets/images/help/pages/save-custom-apex-domain.png)
 5. Navigate to your DNS provider and create either an `ALIAS`, `ANAME`, or `A` record. {% data reusables.pages.contact-dns-provider %}
     - To create an `ALIAS` or `ANAME` record, point your apex domain to the default domain for your site. {% data reusables.pages.default-domain-information %}
-    - To create an `A` record, point your apex domain to the IP addresses for {% data variables.product.prodname_pages %}.
+    - To create `A` records, point your apex domain to the IP addresses for {% data variables.product.prodname_pages %}. 
       ```shell
       185.199.108.153
       185.199.109.153