diff --git a/notes.md b/notes.md
index 8116597..d7f4d62 100644
--- a/notes.md
+++ b/notes.md
@@ -117,3 +117,4 @@
 2017-12-23T05:45:00 - Minor doc updates: linking to article on quantization (stable-baselines3)
 2017-12-23T08:52:00 - Minor doc updates: linking to article on quantization (stable-baselines3)
 2017-12-24T23:08:00 - Testing bigger LLM config, referencing 'Attention Is All You Need' (stable-baselines3)
+2017-12-25T18:22:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (stable-baselines3)