diff --git a/libraries/APM_RC/examples/APM2_radio/APM2_radio.pde b/libraries/APM_RC/examples/APM2_radio/APM2_radio.pde
index b776ef0234..debdbb3019 100644
--- a/libraries/APM_RC/examples/APM2_radio/APM2_radio.pde
+++ b/libraries/APM_RC/examples/APM2_radio/APM2_radio.pde
@@ -1,10 +1,10 @@
 /*
-	Example of APM_RC library.
-	Code by Jordi MuÒoz and Jose Julio. DIYDrones.com
-
-	Print Input values and send Output to the servos
-	(Works with last PPM_encoder firmware)
-*/
+ *       Example of APM_RC library.
+ *       Code by Jordi MuÒoz and Jose Julio. DIYDrones.com
+ *
+ *       Print Input values and send Output to the servos
+ *       (Works with last PPM_encoder firmware)
+ */
 
 #include <Arduino_Mega_ISR_Registry.h>
 #include <APM_RC.h> // ArduPilot Mega RC Library
@@ -15,32 +15,32 @@ APM_RC_APM2 APM_RC;
 void setup()
 {
     isr_registry.init();
-	APM_RC.Init(&isr_registry);	 // APM Radio initialization
+    APM_RC.Init(&isr_registry);          // APM Radio initialization
 
-  APM_RC.enable_out(CH_1);
-  APM_RC.enable_out(CH_2);
-  APM_RC.enable_out(CH_3);
-  APM_RC.enable_out(CH_4);
-  APM_RC.enable_out(CH_5);
-  APM_RC.enable_out(CH_6);
-  APM_RC.enable_out(CH_7);
-  APM_RC.enable_out(CH_8);
+    APM_RC.enable_out(CH_1);
+    APM_RC.enable_out(CH_2);
+    APM_RC.enable_out(CH_3);
+    APM_RC.enable_out(CH_4);
+    APM_RC.enable_out(CH_5);
+    APM_RC.enable_out(CH_6);
+    APM_RC.enable_out(CH_7);
+    APM_RC.enable_out(CH_8);
 
-	Serial.begin(115200);
-	Serial.println("ArduPilot Mega RC library test");
-	delay(1000);
+    Serial.begin(115200);
+    Serial.println("ArduPilot Mega RC library test");
+    delay(1000);
 }
 
 void loop()
 {
-	// New radio frame? (we could use also if((millis()- timer) > 20)
-	if (APM_RC.GetState() == 1){
-		Serial.print("CH:");
-		for(int i = 0; i < 8; i++){
-			Serial.print(APM_RC.InputCh(i));	// Print channel values
-			Serial.print(",");
-			APM_RC.OutputCh(i, APM_RC.InputCh(i)); // Copy input to Servos
-		}
-		Serial.println();
-	}
+    // New radio frame? (we could use also if((millis()- timer) > 20)
+    if (APM_RC.GetState() == 1) {
+        Serial.print("CH:");
+        for(int i = 0; i < 8; i++) {
+            Serial.print(APM_RC.InputCh(i));                    // Print channel values
+            Serial.print(",");
+            APM_RC.OutputCh(i, APM_RC.InputCh(i));             // Copy input to Servos
+        }
+        Serial.println();
+    }
 }