bluetooth new methods

docs/bluetooth.rst

@@ -60,7 +60,7 @@ Full example - Chat
 		blue->setPIN(6666);
 		blue->setMessageEnd('#');
 		blue->setupBluetooth(); //apply this changes to the module. You need to run it only in the first time
-	    blue->begin(); //start the bluetooth serial
+		blue->begin(); //start the bluetooth serial
 	}
 
 	void loop(){