update changelog

Author: saimonation

docs/source/UserGuides/Miscellaneous/Changelog.rst

@@ -8,8 +8,15 @@ Improvements
 ^^^^^^^^^^^^
 
 * Added support for enabling or disabling Direct Mode on CTERA Portal Storage Nodes.
+* Introduced a method for setting the Advanced Domain Mapping configuration. **Note:** This method requires the full list of mappings to be provided and will overwrite the existing configuration.
 
-Related issues and pull requests on GitHub: `#310 <https://github.com/ctera/ctera-python-sdk/pull/310>`_
+Bug Fixes
+^^^^^^^^^
+
+* Removed redundant call when retrieving the list of domain mappings.
+
+Related issues and pull requests on GitHub: `#310 <https://github.com/ctera/ctera-python-sdk/pull/310>`_,
+`#311 <https://github.com/ctera/ctera-python-sdk/pull/311>`_
 
 2.20.15
 -------