diff --git a/src/main.cpp b/src/main.cpp
index e4002a5..78335c7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -44,7 +44,7 @@ void initialize() {
   //  - ignore this if you aren't using a vertical tracker
   // chassis.odom_tracker_left_set(&vert_tracker);
 
-  chassis.pid_tuner_button_set(pros::E_CONTROLLER_DIGITAL_Y, pros::E_CONTROLLER_DIGITAL_A);
+  chassis.pid_tuner_button_set(pros::E_CONTROLLER_DIGITAL_Y, pros::E_CONTROLLER_DIGITAL_A); // Sets the buttons used for PID Tuning.
 
   // Configure your chassis controls
   chassis.opcontrol_curve_buttons_toggle(true);   // Enables modifying the controller curve with buttons on the joysticks