diff --git a/libs/evoral/evoral/Event.hpp b/libs/evoral/evoral/Event.hpp
index 2f53185c09..75dfbdbe3a 100644
--- a/libs/evoral/evoral/Event.hpp
+++ b/libs/evoral/evoral/Event.hpp
@@ -184,7 +184,7 @@ struct Event {
 protected:
 	EventType _type; /**< Type of event (application relative, NOT MIDI 'type') */
 	Time      _original_time; /**< Sample index (or beat time) at which event is valid */
-        Time      _nominal_time; /**< quantized version of _time, used in preference */
+	Time      _nominal_time; /**< Quantized version of _time, used in preference */
 	uint32_t  _size; /**< Number of uint8_ts of data in \a buffer */
 	uint8_t*  _buf;  /**< Raw MIDI data */
 
diff --git a/libs/evoral/evoral/Sequence.hpp b/libs/evoral/evoral/Sequence.hpp
index 026a8ab74f..b4e11ba808 100644
--- a/libs/evoral/evoral/Sequence.hpp
+++ b/libs/evoral/evoral/Sequence.hpp
@@ -112,7 +112,7 @@ public:
 	inline       Notes& notes()       { return _notes; }
 	inline const Notes& notes() const { return _notes; }
 
-        void set_notes (const std::vector<boost::shared_ptr<Note<Time> > >&);
+	void set_notes (const Sequence<Time>::Notes& n);
 
 	typedef std::vector< boost::shared_ptr< Event<Time> > > SysExes;
 	inline       SysExes& sysexes()       { return _sysexes; }