diff --git a/notes.md b/notes.md
index edd4226..bab6ccc 100644
--- a/notes.md
+++ b/notes.md
@@ -289,3 +289,4 @@
 2023-09-15T00:55:00 - Quick fix, referencing a known issue from the official repo (prophet)
 2023-09-15T23:41:00 - Implementing approach from a new paper read last night (prophet)
 2023-09-15T23:02:00 - Minor doc updates: linking to article on quantization (prophet)
+2023-10-08T07:21:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (prophet)