diff --git a/TODO b/TODO
index 92713160..2a9120ba 100644
--- a/TODO
+++ b/TODO
@@ -7,6 +7,7 @@ Core
 - prefer loopback addresses as router IDs (dummy interface?)
 
 - config: executable config files
+- config: better format for datetime then seconds
 
 - do we really need preconfig?