diff --git a/libs/evoral/src/ControlList.cpp b/libs/evoral/src/ControlList.cpp
index c665b69a5b..f952b9c519 100644
--- a/libs/evoral/src/ControlList.cpp
+++ b/libs/evoral/src/ControlList.cpp
@@ -1205,7 +1205,7 @@ ControlList::unlocked_eval (double x) const
 			return lval;
 		}
 
-		/* linear interpolation betweeen the two points */
+		/* linear interpolation between the two points */
 		fraction = (double) (x - lpos) / (double) (upos - lpos);
 		return lval + (fraction * (uval - lval));