diff --git a/TODO b/TODO
index 479bd94d66..a7d52f2873 100644
--- a/TODO
+++ b/TODO
@@ -380,7 +380,7 @@ Features:
 
 * systemd-tpm2-setup should probably have a factory reset logic, i.e. when some
   kernel command line option is set we reset the TPM (equivalent of tpm2_clear
-  -c owner?).
+  -c owner? or rather echo 5 >/sys/class/tpm/tpm0/ppi/request?).
 
 * systemd-tpm2-setup should support a mode where we refuse booting if the SRK
   changed. (Must be opt-in, to not break systems which are supposed to be