Fix syntax in release notes

Change-Id: I4b9c4e5a2d6e943c85250b7b85ad52a8a620e80d

releasenotes/notes/bug-2083014-set-driver-info-86ff04d3d32cdb8c.yaml

 ---
 fixes:
   - |
-    Fixes an issue where task 'ensure ironic nodes use the new Ironic
+    Fixes an issue where task 'Ensure ironic nodes use the new Ironic
     Python Agent (IPA) images` fails with 'dict object' has no
     attribute 'deploy_kernel'.
-    <https://bugs.launchpad.net/kayobe/+bug/2083014>`__.
+    `LP#2083014 <https://bugs.launchpad.net/kayobe/+bug/2083014>`__

releasenotes/notes/cross-arch-builds-5b5b7810beab4cca.yaml

 ---
 features:
   - |
-    The `kolla_base_arch` variable has been introduced, allowing users
+    The ``kolla_base_arch`` variable has been introduced, allowing users
     to specify the architecture for base container images. This supports
     cross-architecture builds, enabling the building of images for
     architectures different from the host machine (e.g., building
-    `aarch64` images on an `x86_64` machine).
+    ``aarch64`` images on an ``x86_64`` machine).
 
-    By default, `kolla_base_arch` is set to the detected architecture
-    (`{{ ansible_facts.architecture }}`). However, when `kolla_base_arch`
-    differs from the host architecture, the `multiarch/qemu-user-static`
+    By default, ``kolla_base_arch`` is set to the detected architecture
+    (``{{ ansible_facts.architecture }}``). However, when ``kolla_base_arch``
+    differs from the host architecture, the ``multiarch/qemu-user-static``
     image is used to facilitate cross-arch builds.