diff --git a/Polygon.cpp b/Polygon.cpp
index 0c12d55..b7c693f 100644
--- a/Polygon.cpp
+++ b/Polygon.cpp
@@ -32,7 +32,7 @@ void Polygon::setVertex(int i, const QPointF& v)
 
 void Polygon::_constrainVertex(const QPolygonF& polygon, int i, QPointF& v)
 {
-  // Weird, but nothing to do.
+  // Nothing to do (eg. triangles).
   if (polygon.size() <= 3)
     return;