diff --git a/boxes/generators/trafficlight.py b/boxes/generators/trafficlight.py
index b16b1b0..4661bbf 100644
--- a/boxes/generators/trafficlight.py
+++ b/boxes/generators/trafficlight.py
@@ -205,4 +205,5 @@ When turned by 90°, it can be also used to create a bottle holder."""
 
         # Colored windows
         for i in range(n):
-            self.parts.disc(h-2*t, move="right") # , label="colored windows") --> todo
+            self.parts.disc(h-2*t, move="right", label="colored windows")
+