diff --git a/notes.md b/notes.md
index 916462287e..a5a501f03c 100644
--- a/notes.md
+++ b/notes.md
@@ -141,3 +141,4 @@
 2018-12-26T23:14:00 - Quick fix, referencing a known issue from the official repo (onnxruntime)
 2019-01-19T02:22:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (onnxruntime)
 2019-03-01T19:31:00 - Testing bigger LLM config, referencing 'Attention Is All You Need' (onnxruntime)
+2019-03-01T02:38:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (onnxruntime)