updated release notes for bugfix

Signed-off-by: Stefan Cyliax <stefan.cyliax@asam.net>

Author: Stefan Cyliax

doc/releases/v03.03.rst

@@ -31,4 +31,11 @@ the introduction of brand new top level messages which extend OSI's scope beyond
 - Update the documentation of ground clearance.
 
 - Make handling of enums in rules check more robust, especially ones.
-- Set the default compiler to C++ 11 to support protobuf>3.6.
+- Set the default compiler to C++ 11 to support protobuf>3.6.
+
+`v3.3.1 - OSI "Fabulous Fangio", Update 1 <https://github.com/OpenSimulationInterface/open-simulation-interface/releases/tag/v3.3.1>`_
+==========================================
+
+`Content/Changes <https://github.com/OpenSimulationInterface/open-simulation-interface/milestone/18?closed=1>`_:
+---------------------------------------------------------------------------------------------------------------------------------------------
+- **Bug Fix**: Versioning in VERSION file wrong in 3.3.0. This lead to wrong versioning in Doxygen documentation.