diff --git a/staging/src/k8s.io/apiserver/pkg/server/options/audit.go b/staging/src/k8s.io/apiserver/pkg/server/options/audit.go
index 6e062c987af..a35163649d7 100644
--- a/staging/src/k8s.io/apiserver/pkg/server/options/audit.go
+++ b/staging/src/k8s.io/apiserver/pkg/server/options/audit.go
@@ -451,7 +451,7 @@ func (o *AuditLogOptions) AddFlags(fs *pflag.FlagSet) {
 	fs.IntVar(&o.MaxAge, "audit-log-maxage", o.MaxAge,
 		"The maximum number of days to retain old audit log files based on the timestamp encoded in their filename.")
 	fs.IntVar(&o.MaxBackups, "audit-log-maxbackup", o.MaxBackups,
-		"The maximum number of old audit log files to retain.")
+		"The maximum number of old audit log files to retain. Setting a value of 0 will mean there's no restriction on the number of files.")
 	fs.IntVar(&o.MaxSize, "audit-log-maxsize", o.MaxSize,
 		"The maximum size in megabytes of the audit log file before it gets rotated.")
 	fs.StringVar(&o.Format, "audit-log-format", o.Format,