diff --git a/Reference-Manual-(v3.x).mediawiki b/Reference-Manual-(v3.x).mediawiki
index ad7c397..2be8f50 100644
--- a/Reference-Manual-(v3.x).mediawiki
+++ b/Reference-Manual-(v3.x).mediawiki
@@ -349,6 +349,17 @@ The possible values are:
 ; Serial : Audit log entries will be stored in a single file, specified by SecAuditLog. This is convenient for casual use, but it can slow down the server, because only one audit log entry can be written to the file at any one time.
 ; Concurrent : One file per transaction is used for audit logging. This approach is more scalable when heavy logging is required (multiple transactions can be recorded in parallel).
 
+== SecAuditLogHeader ==
+'''Description:''' Configures a text that will be prepended to each audit log line. 
+
+'''Syntax''': <code>SecAuditLogHeader "text"</code>
+
+'''Example Usage:''' <code>SecAuditLogHeader "[audit.log]: "</code>
+
+'''Version:''' 3.0.15 
+
+Intended to be used in situations where the log target receives entries from multiple log sources (for example when the audit log is written to stdout using `SecAuditLog /dev/stdout`).
+
 == SecCacheTransformations ==
 ''Not supported in v3'''