diff --git a/indra/llcommon/llevents.h b/indra/llcommon/llevents.h
index 192d79b27ddb2658c4fda32c1fdc1d83d8502588..f52cf33fd8df6898651e967f3d4770169c637720 100644
--- a/indra/llcommon/llevents.h
+++ b/indra/llcommon/llevents.h
@@ -45,10 +45,12 @@
 #include "llsingleton.h"
 #include "lldependencies.h"
 
+/*==========================================================================*|
 // override this to allow binding free functions with more parameters
 #ifndef LLEVENTS_LISTENER_ARITY
 #define LLEVENTS_LISTENER_ARITY 10
 #endif
+|*==========================================================================*/
 
 // hack for testing
 #ifndef testable