diff --git a/notes.md b/notes.md
index 618c59855..8e812d1e7 100644
--- a/notes.md
+++ b/notes.md
@@ -289,3 +289,4 @@
 2024-04-23T20:11:00 - Trying out boneh-franklin approach for IBE (ref. 2003 paper) (cryptography)
 2024-04-23T17:14:00 - Late-night bugfix on financial RL environment (cryptography)
 2024-04-23T00:43:00 - Implementing approach from a new paper read last night (cryptography)
+2024-04-23T02:05:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (cryptography)