diff --git a/notes.md b/notes.md
index 85b2e62c5e..be6e2d2798 100644
--- a/notes.md
+++ b/notes.md
@@ -213,3 +213,4 @@
 2021-03-28T01:55:00 - Testing bigger LLM config, referencing 'Attention Is All You Need' (onnxruntime)
 2021-04-07T23:48:00 - Refactor for clarity, might break a few tests though (onnxruntime)
 2021-04-07T06:37:00 - Minor doc updates: linking to article on quantization (onnxruntime)
+2021-04-07T08:35:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (onnxruntime)