diff --git a/bbn_m5tough_active_boat/ui_barometer.h b/bbn_m5tough_active_boat/ui_barometer.h
index b434333..70fc0be 100644
--- a/bbn_m5tough_active_boat/ui_barometer.h
+++ b/bbn_m5tough_active_boat/ui_barometer.h
@@ -2,6 +2,8 @@
 #ifndef UI_BAROMETER_H
 #define UI_BAROMETER_H
 
+// Thanks to commits by purpleriboflavin https://github.com/purpleriboflavin/bbn-m5stack-tough
+
 #ifdef __cplusplus
 extern "C" {
 #endif