diff --git a/include/sta/hal/gpio_pin.hpp b/include/sta/hal/gpio_pin.hpp
index a580635..03ea594 100644
--- a/include/sta/hal/gpio_pin.hpp
+++ b/include/sta/hal/gpio_pin.hpp
@@ -1,7 +1,7 @@
 /**
  * @brief Wrapper for HAL GPIO pins.
  *
- * Defined STA_HAL_GPIO_ENABLE in <sta/config.hpp> to enable.
+ * Define **STA_HAL_GPIO_ENABLE** in `<sta/config.hpp>` to enable module.
  */
 #ifndef STA_HAL_GPIO_PIN_HPP
 #define STA_HAL_GPIO_PIN_HPP