diff --git a/TODO b/TODO
index c67e215a..bd6640a7 100644
--- a/TODO
+++ b/TODO
@@ -72,3 +72,6 @@ messages.
 
 - Define and enforce html directory to serve from. Do installation scripts.
 
+- Don't accept dht "post"+k if k violates the validatePostNumberForUser() rule.
+
+