diff --git a/libs/backends/coreaudio/coremidi_io.cc b/libs/backends/coreaudio/coremidi_io.cc
index c99ddf18b0..d07ba1e7e5 100644
--- a/libs/backends/coreaudio/coremidi_io.cc
+++ b/libs/backends/coreaudio/coremidi_io.cc
@@ -30,18 +30,18 @@ static int _debug_mode = 0;
 #endif
 
 
-/** 
+/**
  * MIDI Data flow
- * 
+ *
  * (A) INPUT (incoming from outside the application)
- * 
+ *
  *    - midiInputCallback (in its own thread, async WRT process callback):
  *       takes OS X MIDIPacket, copies into lock-free ringbuffer
  *
  *    - processCallback (in its own thread):
  *
  *   (1) loop on all input ports:
- *       1A) call recv_event() to read from ringbuffer into stack buffer, also assign-timestamp, 
+ *       1A) call recv_event() to read from ringbuffer into stack buffer, also assign-timestamp,
  *       1B) call parse_events() using stack buffer, when appropriate
  *          pushes CoreMidiEvent into std::vector<CoreMidiEvent>
  *