diff --git a/TODO b/TODO
index 1062177..37ae5a9 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,4 @@
+make sure standard libraries are "required" by modules before use.
 ftp.send/recv return bytes transfered?
 new scheme to choose family/protocol of object to create
 change ltn13 to make sure drawbacks are obvious