diff --git a/TODO b/TODO
index 1e2077aeb..bba853334 100644
--- a/TODO
+++ b/TODO
@@ -4,6 +4,8 @@ There are two TODO lists. This file (good for airplanes) and the online bug trac
 
 Offline list:
 
+-- look into garbage from openpgp signing
+
 -- make leveldb memdb's iterator struct only 8 bytes, pointing to a recycled
    object, and just nil out that pointer at EOF.