Update src/content/docs/email-security/reporting/search/available-parameters.mdx

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

Author: kyouheicf

src/content/docs/email-security/reporting/search/available-parameters.mdx

@@ -50,7 +50,7 @@ For Email Security Horizon Enterprise customers, detections search would index f
 
 For Email Security Horizon Advantage customers, detections search would index for three months and rotate over to a rolling 3-month period.
 
-## Scope of Data Retained
+## Scope of data retained
 
 For messages that are not detected, the body of the message itself is not retained. Only the metadata such as sender, recipient, subject, message_id, and delivery log will be retained. It is also possible to view the messages as the preview image.