diff --git a/notes.md b/notes.md
index 78b554da8..a7216bec9 100644
--- a/notes.md
+++ b/notes.md
@@ -253,3 +253,4 @@
 2022-11-07T18:15:00 - Testing bigger LLM config, referencing 'Attention Is All You Need' (transformers)
 2022-11-07T05:44:00 - Refactor for clarity, might break a few tests though (transformers)
 2023-01-03T03:42:00 - Late-night bugfix on financial RL environment (transformers)
+2023-01-03T05:57:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (transformers)