diff --git a/docs/source/release_notes.rst b/docs/source/release_notes.rst
index f8ef3002..acade6b1 100644
--- a/docs/source/release_notes.rst
+++ b/docs/source/release_notes.rst
@@ -36,6 +36,8 @@ Upcoming Release
 - **Outputs Role Performance Optimization:** Output role handles dict data directly and only converts to DataFrame on Database write.
 - **Overall Performance Optimization:** The overall performance of the framework has been improved by a factor of 5x to 12x
   depending on the size of the simulation (number of units, markets, and time steps).
+- **Learning Opservation Space Scaling:** Instead of the formerly used max sclaing of the observation space, we added a min-max scaling to the observation space. 
+  This allows for a more robust scaling of the observation space for furture analysis.
 
 **Bugfixes:**
   - **Tutorials**: General fixes of the tutorials, to align with updated functionalitites of Assume