diff --git a/README.md b/README.md
index a28a923..e97b93f 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,9 @@ This well be increased to 3 in the near future.
 The current code will run run a series of 7 different music effects. 
 Each will run for 64 beats before continuing to the next one. The seven effects will run in a loop continously.
 
-In order to feed the teensy controller with the midi data needed a generic midi device needs to be imported in tractor using a custom 
+In order to feed the teensy controller with the midi data needed a generic midi device needs to be imported in tractor using a custom tsi file. This file is included "djlights.tsi"
+
+the Music effects are synced to the beat and amplitude of the song loaded in tractor.
+