diff --git a/notes.md b/notes.md
index 76444df7..e645740f 100644
--- a/notes.md
+++ b/notes.md
@@ -286,3 +286,4 @@
 2024-01-26T21:50:00 - Implementing approach from a new paper read last night (litex-boards)
 2024-01-29T00:30:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (litex-boards)
 2024-02-27T17:23:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (litex-boards)
+2024-02-27T21:30:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (litex-boards)