Per #2681, update release notes based on @j-opatz PR review.

docs/Users_Guide/release-notes.rst

@@ -29,7 +29,7 @@ MET Version 12.0.0-beta1 release notes (20230915)
   .. dropdown:: Enhancements
 
      * Refine TC-Diag logic for handling missing data (`#2609 <https://github.com/dtcenter/MET/issues/2609>`_).
-     * Update ioda2nc to support version 3 IODA files (`#2640 <https://github.com/dtcenter/MET/issues/2640>`_).
+     * **Update ioda2nc to support version 3 IODA files** (`#2640 <https://github.com/dtcenter/MET/issues/2640>`_).
      * **Enhance MODE CTS output file to include missing categorical statistics, including SEDI** (`#2648 <https://github.com/dtcenter/MET/issues/2648>`_).
      * **Enhance MET to compile and link against the Proj library** (`#2669 <https://github.com/dtcenter/MET/issues/2669>`_).
      * Change the default setting for the model string from "WRF" to "FCST" in the default MET configuration files (`#2682 <https://github.com/dtcenter/MET/issues/2682>`_).
@@ -43,4 +43,5 @@ MET Version 12.0.0 upgrade instructions
 * MET Version 12.0.0 introduces three new required dependencies:
 
   * The `Proj <https://proj.org/>`_ library dependency was added in the beta1 development cycle (`#2669 <https://github.com/dtcenter/MET/issues/2669>`_).
-  * The `Atlas <https://sites.ecmwf.int/docs/atlas/>`_ and `ecKit <https://github.com/ecmwf/eckit>`_ library dependencies will be added in the beta2 development cycle (`#2574 <https://github.com/dtcenter/MET/issues/2574>`_).
+  * The `Atlas <https://sites.ecmwf.int/docs/atlas/>`_ library dependency will be added in the beta2 development cycle (`#2574 <https://github.com/dtcenter/MET/issues/2574>`_).
+  * The `ecKit <https://github.com/ecmwf/eckit>`_ library dependency will be added in the beta2 development cycle (`#2574 <https://github.com/dtcenter/MET/issues/2574>`_).