Apply suggestion from code review

Co-authored-by: Pedro Sousa <[email protected]>

Author: RebeccaTamachiro

src/content/docs/dns/manage-dns-records/reference/ttl.mdx

@@ -28,7 +28,7 @@ It may take longer than 5 minutes for you to actually experience record changes,
 
 For **DNS only** records, you can choose a TTL between **30 seconds** (Enterprise) or **60 seconds** (non-Enterprise) and **1 day**.
 
-A TTL of **Auto** is set to 300 seconds (5 minutes).
+A TTL of **Auto** is set to 300 seconds (five minutes).
 
 ## Nameserver TTL