diff --git a/src/gui/piano_roll.cpp b/src/gui/piano_roll.cpp
index 7bb0e9c31..031a9e6b0 100644
--- a/src/gui/piano_roll.cpp
+++ b/src/gui/piano_roll.cpp
@@ -104,7 +104,7 @@ const int NE_LINE_WIDTH = 3;
 // key where to start
 const int INITIAL_START_KEY = Key_C + Octave_3 * KeysPerOctave;
 
-// number of each not to provide in quantization and note lengths
+// number of each note to provide in quantization and note lengths
 const int NUM_EVEN_LENGTHS = 6;
 const int NUM_TRIPLET_LENGTHS = 5;