diff --git a/LiquidCrystalPlus_I2C.h b/LiquidCrystalPlus_I2C.h
index e6787ce..38be128 100644
--- a/LiquidCrystalPlus_I2C.h
+++ b/LiquidCrystalPlus_I2C.h
@@ -23,7 +23,7 @@
 
 */
 
-#include <LiquidCrystal_I2C.h>
+#include <LiquidCrystal_I2C.h> // https://www.arduinolibraries.info/libraries/liquid-crystal-i2-c
 
 #ifndef LIQUIDCRYSTALPLUS_I2C_H_INCLUDED
 #define LIQUIDCRYSTALPLUS_I2C_H_INCLUDED
diff --git a/config.h b/config.h
index 7078a3a..25681b4 100644
--- a/config.h
+++ b/config.h
@@ -35,7 +35,7 @@
 // Initial values
 #define MIDI_DEVICE Serial1
 #define USE_ONBOARD_USB_HOST 1
-//#define TEENSY_AUDIO_BOARD 1
+#define TEENSY_AUDIO_BOARD 1
 #define VOLUME 0.6
 #define DEFAULT_MIDI_CHANNEL MIDI_CHANNEL_OMNI
 #define DEFAULT_SYSEXBANK 0