diff --git a/TODO b/TODO
index 09b6db6c2b..8b6acbcf70 100644
--- a/TODO
+++ b/TODO
@@ -34,6 +34,9 @@ External:
 
 Features:
 
+* nspawn: allow configuring cgroup (and other) properties via
+  --property= when invoking from the command line.
+
 * add udev rule construct SYSCTL{} to write to sysctls
 
 * assign MESSAGE_ID to log messages about failed services