diff --git a/panther_hardware_interfaces/src/panther_system/gpio/gpio_controller.cpp b/panther_hardware_interfaces/src/panther_system/gpio/gpio_controller.cpp
index 76212c6a..fdb6ba2a 100644
--- a/panther_hardware_interfaces/src/panther_system/gpio/gpio_controller.cpp
+++ b/panther_hardware_interfaces/src/panther_system/gpio/gpio_controller.cpp
@@ -177,6 +177,8 @@ bool GPIOControllerPTH12X::ChargerEnable(const bool enable)
 
 bool GPIOControllerPTH12X::LEDControlEnable(const bool enable)
 {
+  // pin_validation_wait_time=10ms used due to slow pin state transition
+  // on pin loaded by high 100nF capacity in SBC Overlay v1.4
   return gpio_driver_->SetPinValue(GPIOPin::LED_SBC_SEL, enable, std::chrono::milliseconds(10));
 }