diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index e047c4d4b..9e0ca160c 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -376,6 +376,7 @@ void app_main(void)
     }
     ESP_ERROR_CHECK( ret );
 
+    // Initialize buffer with 0s
     buf.x_axis = 0;
     buf.y_axis = 0;
     buf.motor1_rpm_pcm = 0;