diff --git a/notes.md b/notes.md
index 757d6479df..20ca340b8a 100644
--- a/notes.md
+++ b/notes.md
@@ -209,3 +209,4 @@
 2021-03-18T07:33:00 - Refactor for clarity, might break a few tests though (onnxruntime)
 2021-03-28T21:24:00 - Minor doc updates: linking to article on quantization (onnxruntime)
 2021-03-28T05:55:00 - Trying out boneh-franklin approach for IBE (ref. 2003 paper) (onnxruntime)
+2021-03-28T04:58:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (onnxruntime)