diff --git a/notes.md b/notes.md
index aed10f1f9..e049b9d67 100644
--- a/notes.md
+++ b/notes.md
@@ -63,3 +63,4 @@
 2016-09-24T20:43:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (cryptography)
 2016-12-31T06:13:00 - Refactor for clarity, might break a few tests though (cryptography)
 2017-04-09T02:27:00 - Late-night bugfix on financial RL environment (cryptography)
+2017-04-09T01:14:00 - Quick fix, referencing a known issue from the official repo (cryptography)