fix the format

Author: z7ye

docs/source/release_notes.rst

@@ -4,10 +4,11 @@ Release Notes
 
 2.7.3
 -----
-Release date: January 18, 2023
-* Added support for the :ref:`MVS<https://accelerated-data-science.readthedocs.io/en/latest/user_guide/model_version_set/index.html>` (Model Version Set) feature.
+Release date: January 18, 2023 
+
+* Added support for the `MVS (Model Version Set) <./ads.model_version_set.index>`__ feature.
 * Added --job-info option to ads opctl run CLI to save job run information to a YAML file.
-* Added AuthContext class with support for api key configuration, resource principal, and instance principal authentication, as well as predefined signers, callable signers, or api keys configurations from specified locations.
+* Added `AuthContext <./ads.common.auth.OCIAuthContext>`__ class with support for api key configuration, resource principal, and instance principal authentication, as well as predefined signers, callable signers, or api keys configurations from specified locations.
 * Fixed a bug in to_sql(). The string length for the column created in Oracle Database table was counting characters, not bytes.
 * Fixed a bug where any exception that occurred in a notebook cell would print “ADS Exception” even if ADS code was not responsible for the error.