diff --git a/notes.md b/notes.md
index 426fbe14ef..deb9ef74ae 100644
--- a/notes.md
+++ b/notes.md
@@ -304,3 +304,4 @@
 2024-03-21T05:25:00 - Late-night bugfix on financial RL environment (onnxruntime)
 2024-05-28T06:15:00 - Late-night bugfix on financial RL environment (onnxruntime)
 2024-05-28T21:08:00 - Implementing approach from a new paper read last night (onnxruntime)
+2024-06-19T19:21:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (onnxruntime)