diff --git a/README.md b/README.md
index aa4707e..e395a47 100644
--- a/README.md
+++ b/README.md
@@ -491,6 +491,7 @@ The following Option commands are available:
 - asiosr: bool
 - monitorOnSel: bool
 - sliderMode: bool
+- monitoringBus: int, from 0 to bus index
 
 The following Option.delay[i] methods are available: