diff --git a/doc/TODO b/doc/TODO
index 42195ce..14b43b0 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -1,6 +1,8 @@
 
 * Finish the Tight decoder: Implement the gradient filter. 
 
+* Tight support for other BPPs than 16. 
+
 * Tight encoding support
 
 * Document the Tight protocol extensions in a text file.