diff --git a/keil_project/Services/IncrEncoder.h b/keil_project/Services/IncrEncoder.h
index e9d1f31..baa8973 100644
--- a/keil_project/Services/IncrEncoder.h
+++ b/keil_project/Services/IncrEncoder.h
@@ -1,13 +1,31 @@
+/**
+  ******************************************************************************
+  * @file    IncrEncoder.h
+  * @author  CAVAILLES, Kevin and GÜLDENSTEIN, Jasper
+  * @brief   Service for using the RF Module to transmit characters.
+  ******************************************************************************
+  */
 #ifndef INCR_ENCODER_H
 #define INCR_ENCODER_H
 
-
+/**
+  * @brief Initialziation function for the RF_OUTPUT module.
+	* Peripherals used: TIM3, EXTI
+	* Pins used: PA5 (incremental encoder index, interrupt)
+	*            PA6 (incremental encoder channel a, TIM3 channel 1)
+	*            PA7 (incremental encoder channel b, TIM3 channel 2)
+  */
 void INCR_ENCODER_Init(void);
 
+/**
+  * @brief Indicates whether the index has been passed at least once.
+	*        If this is not the case, the reading is not absolute.
+	* @retval state (0 or 1)
+  */
 int INCR_ENCODER_IsAbsolute(void);
 
 /**
-  * @brief Returns the angle of the incremental encoder
+  * @brief Returns the angle reading of the incremental encoder
 	* @retval -180 to 180 where 0 is the incremental encoder pointing towards the back of the boat
   */
 float INCR_ENCODER_GetAngle(void);