Add missing refs and lowercase logsdb

docs/whats-new.asciidoc

@@ -14,16 +14,14 @@ Other versions: {security-guide-all}/8.16/whats-new.html[8.16] | {security-guide
 == Detection rules and alerts enhancements
 
 [float]
-=== LogsDB index mode with detection rules and alerts
+=== Logsdb index mode with detection rules and alerts
 
-The {ref}/logs-data-stream.html[logsDB index mode] allows you to store log data more efficiently. If you're considering using it, refer to <TBD> to learn how it can impact your rules and alerts. This feature requires the <TBD>.
-// some information to be added
+The {ref}/logs-data-stream.html[logsdb index mode] allows you to store log data more efficiently. If you're considering using it, refer to {security-guide}/detections-logsdb-index-mode-impact.html[Using logsdb index mode with {elastic-sec}] to learn how it can impact your rules and alerts.
 
 [float]
 === Suppress alerts for EQL sequence rules
 
-Alert suppression now supports the EQL sequence rule type. You can use it to reduce the number of repeated or duplicate detection alerts generated from EQL sequence rules.
-// link to be added
+{security-guide}/alert-suppression.html[Alert suppression] now supports the EQL sequence rule type. You can use it to reduce the number of repeated or duplicate detection alerts generated from EQL sequence rules.
 
 [float]
 == Signature option available for macOS trusted applications conditions