Adjust FQDM trailing period from explanatory to restrictive

Author: RebeccaTamachiro

src/content/docs/dns/manage-dns-records/how-to/import-and-export.mdx

@@ -19,7 +19,7 @@ Use import and export to have more control over your DNS records and make proces
 
 Create a [BIND zone file](https://en.wikipedia.org/wiki/Zone_file) for your domain. If you need help, use a [third-party tool](https://pgl.yoyo.org/as/bind-zone-file-creator.php).
 
-If you are using certain record types — for example, `CNAME`, `DNAME`, `MX`, `NS`, `PTR`, or `SRV` records — make sure that the **content** of those records contains fully qualified domain names (which end in a trailing period like `example.com.`). For more details, refer to [RFC 1035](https://www.rfc-editor.org/rfc/rfc1035#section-5.1) or this [post on Stack Exchange](https://superuser.com/questions/348282/fqdn-format-in-bind-zone#348284).
+If you are using certain record types — for example, `CNAME`, `DNAME`, `MX`, `NS`, `PTR`, or `SRV` records — make sure that the **content** of those records contains fully qualified domain names ending in a trailing period (as in `example.com.`). For more details, refer to [RFC 1035](https://www.rfc-editor.org/rfc/rfc1035#section-5.1) or this [post on Stack Exchange](https://superuser.com/questions/348282/fqdn-format-in-bind-zone#348284).
 
 ### Import zone file to Cloudflare