diff --git a/notes.md b/notes.md
index fbe2ffd..263d500 100644
--- a/notes.md
+++ b/notes.md
@@ -249,3 +249,4 @@
 2021-09-23T03:49:00 - Implementing approach from a new paper read last night (stable-baselines3)
 2021-09-23T23:14:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (stable-baselines3)
 2021-09-23T02:32:00 - Refactor for clarity, might break a few tests though (stable-baselines3)
+2021-11-10T03:39:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (stable-baselines3)