diff --git a/include/Keithley_486.h b/include/Keithley_486.h
index f141dcb3d07131a417c480009e09575e0e5056ac..53d060aeb02564715d32498c6ee5805dac06cf49 100644
--- a/include/Keithley_486.h
+++ b/include/Keithley_486.h
@@ -45,13 +45,13 @@ public:
 	/**
 	*  \brief Device dependent commands.
 	*/
-	void range_up (void);
-	void range_down (void);
-	void autoRange_off (void);
-  void set_buffer_size(short);
-  void set_triggerMode(short);
+	void range_up			(void);
+	void range_down			(void);
+	void autoRange_off 		(void);
+  	void set_buffer_size	(short);
+  	void set_triggerMode	(short);
 	void init_keithley		(void); 
-  short get_buffer_size (void) { return _size; };
+  	short get_buffer_size	(void) { return _size; };
 	
 	/**
 	*  \brief The integration time (sec).