diff --git a/keil_project/Services/Accelerometer.h b/keil_project/Services/Accelerometer.h
index 5a43b10..d3becbb 100644
--- a/keil_project/Services/Accelerometer.h
+++ b/keil_project/Services/Accelerometer.h
@@ -1,6 +1,6 @@
 /**
   ******************************************************************************
-  * @file    RFOutput.h
+  * @file    Accelerometer.h
   * @author  GALLOIS, Leonie and GÜLDENSTEIN, Jasper and FOUSSATS, Morgane
   * @brief   Service for reading the analog signals of the Accelerometer.
   ******************************************************************************
diff --git a/keil_project/Services/Alimentation.h b/keil_project/Services/Alimentation.h
index a989461..15d9f69 100644
--- a/keil_project/Services/Alimentation.h
+++ b/keil_project/Services/Alimentation.h
@@ -1,8 +1,8 @@
 /**
   ******************************************************************************
-  * @file    RFOutput.h
+  * @file    Alimentation.h
   * @author  GALLOIS, Leonie and GÜLDENSTEIN, Jasper and FOUSSATS, Morgane
-  * @brief   Service for using the RF Module to transmit characters.
+  * @brief   Service for reading the voltage of the power supply/battery.
   ******************************************************************************
   */
 #ifndef ALIMENTATION_H
diff --git a/keil_project/Services/RFInput.h b/keil_project/Services/RFInput.h
index b844edd..853d98a 100644
--- a/keil_project/Services/RFInput.h
+++ b/keil_project/Services/RFInput.h
@@ -2,7 +2,7 @@
   ******************************************************************************
   * @file    RFInput.h
   * @author  CAVAILLES, Kevin and GÜLDENSTEIN, Jasper
-  * @brief   Service for reveiving a PWM signal from an RF remote 
+  * @brief   Service for reading a PWM signal from an RF remote 
   ******************************************************************************
   */
 #ifndef RF_INPUT_H
diff --git a/keil_project/Services/Sail.h b/keil_project/Services/Sail.h
index 1d9a210..7ebce68 100644
--- a/keil_project/Services/Sail.h
+++ b/keil_project/Services/Sail.h
@@ -2,7 +2,7 @@
   ******************************************************************************
   * @file    Sail.h
   * @author  CAVAILLES, Kevin and GÜLDENSTEIN, Jasper
-  * @brief   Service for using the RF Module to transmit characters.
+  * @brief   Service for functions relating to the Sail of the Sailboat.
   ******************************************************************************
   */
 #ifndef SAIL_H