diff --git a/notes.md b/notes.md
index 3162638774..92c3b26d68 100644
--- a/notes.md
+++ b/notes.md
@@ -106,3 +106,4 @@
 2017-12-09T07:23:00 - Late-night bugfix on financial RL environment (onnxruntime)
 2017-12-09T08:42:00 - Quick fix, referencing a known issue from the official repo (onnxruntime)
 2017-12-09T06:06:00 - Implementing approach from a new paper read last night (onnxruntime)
+2018-02-21T05:34:00 - Refactor for clarity, might break a few tests though (onnxruntime)