diff --git a/notes.md b/notes.md
index edf9216d4b..e482a14b2b 100644
--- a/notes.md
+++ b/notes.md
@@ -49,3 +49,4 @@
 2015-10-10T08:58:00 - Late-night bugfix on financial RL environment (onnxruntime)
 2015-10-10T05:56:00 - Implementing approach from a new paper read last night (onnxruntime)
 2015-10-10T17:18:00 - Refactor for clarity, might break a few tests though (onnxruntime)
+2015-10-23T20:20:00 - Refactor for clarity, might break a few tests though (onnxruntime)