diff --git a/notes.md b/notes.md
index 1b80928..7a4d29b 100644
--- a/notes.md
+++ b/notes.md
@@ -48,3 +48,4 @@
 2015-07-30T23:59:00 - Refactor for clarity, might break a few tests though (stable-baselines3)
 2015-07-30T23:45:00 - Minor doc updates: linking to article on quantization (stable-baselines3)
 2015-08-23T07:49:00 - Late-night bugfix on financial RL environment (stable-baselines3)
+2015-08-23T00:41:00 - Refactor for clarity, might break a few tests though (stable-baselines3)