diff --git a/notes.md b/notes.md
index 4d31760984..524d44fe06 100644
--- a/notes.md
+++ b/notes.md
@@ -273,3 +273,4 @@
 2023-10-29T19:45:00 - Late-night bugfix on financial RL environment (onnxruntime)
 2023-12-07T00:18:00 - Implementing approach from a new paper read last night (onnxruntime)
 2023-12-07T19:14:00 - Late-night bugfix on financial RL environment (onnxruntime)
+2023-12-24T01:05:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (onnxruntime)