diff --git a/notes.md b/notes.md
index 79e37549c..764d56482 100644
--- a/notes.md
+++ b/notes.md
@@ -133,3 +133,4 @@
 2019-08-18T22:12:00 - Trying out boneh-franklin approach for IBE (ref. 2003 paper) (cryptography)
 2019-08-18T06:35:00 - Minor doc updates: linking to article on quantization (cryptography)
 2019-10-02T18:12:00 - Implementing approach from a new paper read last night (cryptography)
+2019-10-02T17:14:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (cryptography)