Update concepts/whats-new-overview.md

Co-authored-by: mnorman-ms <mnorman@steyer.net>

Author: pamehramicrosoft

concepts/whats-new-overview.md

@@ -129,7 +129,7 @@ The Microsoft Entra Health monitoring alerts APIs enable you to detect anomalous
 
 - Enabled the deletion of Exchange mailbox items in the [ediscoverySearch: purgeData](/graph/api/security-ediscoverysearch-purgedata?view=graph-rest-beta&preserve-view=true) method.
 - Deleted the `permanentlyDeleted` member from the **purgeType** enumeration in favor of the `permanentlyDelete` member.
-- Application authentication availability for Microsoft Purview eDiscovery Graph APIs.
+- Added application authentication for Microsoft Purview eDiscovery Graph APIs.
 
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