diff --git a/window_darwin.m b/window_darwin.m
index 1ff9297a..8beb008d 100644
--- a/window_darwin.m
+++ b/window_darwin.m
@@ -1,6 +1,9 @@
 // 6 april 2015
 #import "uipriv_darwin.h"
 
+// TODO
+// - showing on size
+
 @interface uiWindowDelegate : NSObject <NSWindowDelegate>
 @property uiWindow *w;
 @property int (*onClosing)(uiWindow *, void *);