diff --git a/TODO b/TODO
index 3866f64..00cfdac 100644
--- a/TODO
+++ b/TODO
@@ -12,6 +12,7 @@ drawing
 -------
 * add diacritics support to xdraws()
 * make the font cache simpler
+* add better support for brightening of the upper colors
 
 bugs
 ----