diff --git a/Tools/pynche/Main.py b/Tools/pynche/Main.py
index 06ca0c5..b2294de 100644
--- a/Tools/pynche/Main.py
+++ b/Tools/pynche/Main.py
@@ -146,6 +146,7 @@
     app = PyncheWidget(__version__, s, master=master)
     w = app.window()
 
+    # these built-in viewers live inside the main Pynche window
     s.add_view(StripViewer(s, w))
     s.add_view(ChipViewer(s, w))
     s.add_view(TypeinViewer(s, w))