Update docs/dedicated/akamai/cdn.md

Co-authored-by: hyperlint-ai[bot] <154288675+hyperlint-ai[bot]@users.noreply.github.com>

Author: franz-zuplo

docs/dedicated/akamai/cdn.md

@@ -43,7 +43,7 @@ Make the following behavior changes:
 3. Enable all Allowed Methods rules (POST, OPTIONS, PUT, DELETE, PATCH) in the
    Property Manager sidebar.
 
-## Developer Portal CDN
+## Developer portal CDN
 
 This section guides you on how to set up the Developer Portal CDN.