diff --git a/libraries/AP_ADC/AP_ADC_HIL.h b/libraries/AP_ADC/AP_ADC_HIL.h
index 1f129f3378..22502359c9 100644
--- a/libraries/AP_ADC/AP_ADC_HIL.h
+++ b/libraries/AP_ADC/AP_ADC_HIL.h
@@ -2,15 +2,15 @@
 #define AP_ADC_HIL_H
 
 /*
-	AP_ADC_HIL.h
-	Author: James Goppert
-
-	License:
-	This library is free software; you can redistribute it and/or
-	modify it under the terms of the GNU Lesser General Public
-	License as published by the Free Software Foundation; either
-	version 2.1 of the License, or (at your option) any later version.
-*/
+ *       AP_ADC_HIL.h
+ *       Author: James Goppert
+ *
+ *       License:
+ *       This library is free software; you can redistribute it and/or
+ *       modify it under the terms of the GNU Lesser General Public
+ *       License as published by the Free Software Foundation; either
+ *       version 2.1 of the License, or (at your option) any later version.
+ */
 
 #include <inttypes.h>
 #include "AP_ADC.h"
@@ -20,80 +20,82 @@
 // @author James Goppert DIYDrones.com
 class AP_ADC_HIL : public AP_ADC
 {
-  public:
+public:
 
-	///
-	// Constructor
-	AP_ADC_HIL();  // Constructor
+    ///
+    // Constructor
+    AP_ADC_HIL();      // Constructor
 
-	///
-	// Initializes sensor, part of public AP_ADC interface
-	void Init(AP_PeriodicProcess*);
+    ///
+    // Initializes sensor, part of public AP_ADC interface
+    void        Init(AP_PeriodicProcess*);
 
-	///
-	// Read the sensor, part of public AP_ADC interface
-	float Ch(unsigned char ch_num);
+    ///
+    // Read the sensor, part of public AP_ADC interface
+    float        Ch(unsigned char ch_num);
 
-	///
-	// Read 6 sensors at once
-	uint32_t Ch6(const uint8_t *channel_numbers, float *result);
+    ///
+    // Read 6 sensors at once
+    uint32_t        Ch6(const uint8_t *channel_numbers, float *result);
 
-	// see if Ch6 would block
-	bool new_data_available(const uint8_t *channel_numbers);
+    // see if Ch6 would block
+    bool            new_data_available(const uint8_t *channel_numbers);
 
-	///
-	// Set the adc raw values given the current rotations rates,
-	// temps, accels, and pressures
-	void setHIL(int16_t p, int16_t q, int16_t r, int16_t gyroTemp,
-	int16_t aX, int16_t aY, int16_t aZ, int16_t diffPress);
+    ///
+    // Set the adc raw values given the current rotations rates,
+    // temps, accels, and pressures
+    void        setHIL(int16_t p, int16_t q, int16_t r, int16_t gyroTemp,
+                       int16_t aX, int16_t aY, int16_t aZ, int16_t diffPress);
 
-  private:
+private:
 
-	///
-	// The raw adc array
-	uint16_t adcValue[8];
+    ///
+    // The raw adc array
+    uint16_t        adcValue[8];
 
-	// the time in milliseconds when we last got a HIL update
-	uint32_t last_hil_time;
+    // the time in milliseconds when we last got a HIL update
+    uint32_t        last_hil_time;
 
-	///
-	// sensor constants
-	// constants declared in cpp file
-	// @see AP_ADC_HIL.cpp
-	static const uint8_t sensors[6];
-	static const float gyroBias[3];
-	static const float gyroScale[3];
-	static const float accelBias[3];
-	static const float accelScale[3];
-	static const int8_t sensorSign[6];
+    ///
+    // sensor constants
+    // constants declared in cpp file
+    // @see AP_ADC_HIL.cpp
+    static const uint8_t        sensors[6];
+    static const float          gyroBias[3];
+    static const float          gyroScale[3];
+    static const float          accelBias[3];
+    static const float          accelScale[3];
+    static const int8_t         sensorSign[6];
 
-	///
-	// gyro set function
-	// @param val the value of the gyro in milli rad/s
-	// @param index the axis for the gyro(0-x,1-y,2-z)
-	inline void setGyro(uint8_t index, int16_t val) {
-		int16_t temp = val * gyroScale[index] / 1000 + gyroBias[index];
-		adcValue[sensors[index]] = (sensorSign[index] < 0) ? -temp : temp;
-	}
+    ///
+    // gyro set function
+    // @param val the value of the gyro in milli rad/s
+    // @param index the axis for the gyro(0-x,1-y,2-z)
+    inline void        setGyro(uint8_t index, int16_t val) {
+        int16_t        temp = val * gyroScale[index] / 1000 + gyroBias[index];
+        adcValue[sensors[index]] = (sensorSign[index] < 0) ? -temp : temp;
+    }
 
-	///
-	// accel set function
-	// @param val the value of the accel in milli g's
-	// @param index the axis for the accelerometer(0-x,1-y,2-z)
-	inline void setAccel(uint8_t index, int16_t val) {
-		int16_t temp = val * accelScale[index] / 1000 + accelBias[index];
-		adcValue[sensors[index+3]] = (sensorSign[index+3] < 0) ? -temp : temp;
-	}
+    ///
+    // accel set function
+    // @param val the value of the accel in milli g's
+    // @param index the axis for the accelerometer(0-x,1-y,2-z)
+    inline void        setAccel(uint8_t index, int16_t val) {
+        int16_t        temp = val * accelScale[index] / 1000 + accelBias[index];
+        adcValue[sensors[index+3]] = (sensorSign[index+3] < 0) ? -temp : temp;
+    }
 
-	///
-	// Sets the differential pressure adc channel
-	// TODO: implement
-	void setPressure(int16_t val) {}
+    ///
+    // Sets the differential pressure adc channel
+    // TODO: implement
+    void        setPressure(int16_t val) {
+    }
 
-	///
-	// Sets the gyro temp adc channel
-	// TODO: implement
-	void setGyroTemp(int16_t val) {}
+    ///
+    // Sets the gyro temp adc channel
+    // TODO: implement
+    void        setGyroTemp(int16_t val) {
+    }
 };
 
 #endif