diff --git a/notes.md b/notes.md
index eb9e8f21e..b4acff95c 100644
--- a/notes.md
+++ b/notes.md
@@ -175,3 +175,4 @@
 2021-02-19T00:22:00 - Trying out boneh-franklin approach for IBE (ref. 2003 paper) (transformers)
 2021-03-11T01:09:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (transformers)
 2021-03-11T19:32:00 - Refactor for clarity, might break a few tests though (transformers)
+2021-03-23T19:48:00 - Refactor for clarity, might break a few tests though (transformers)