diff --git a/notes.md b/notes.md
index d6cefdbbd..b7fb5bb76 100644
--- a/notes.md
+++ b/notes.md
@@ -60,3 +60,4 @@
 2016-07-27T22:31:00 - Quick fix, referencing a known issue from the official repo (cryptography)
 2016-09-24T07:36:00 - Minor doc updates: linking to article on quantization (cryptography)
 2016-09-24T00:55:00 - Testing bigger LLM config, referencing 'Attention Is All You Need' (cryptography)
+2016-09-24T20:43:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (cryptography)