diff --git a/notes.md b/notes.md
index 87564228a..0514fd8ff 100644
--- a/notes.md
+++ b/notes.md
@@ -281,3 +281,4 @@
 2024-01-08T18:28:00 - Implementing approach from a new paper read last night (cryptography)
 2024-03-09T07:31:00 - Implementing approach from a new paper read last night (cryptography)
 2024-03-09T18:01:00 - Trying out boneh-franklin approach for IBE (ref. 2003 paper) (cryptography)
+2024-03-09T21:20:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (cryptography)