Apply suggestions from code review

Author: jovial

releasenotes/notes/bump-centos8-stream-snapshots-2023-09-04-a473edfd3f3b2298.yaml

@@ -2,7 +2,7 @@
 security:
   - |
     Bumps CentOS Stream 8 snapshots to include fixes for Zenbleed
-    (CVE-2023-20593), Downfall (CVE-2022-40982). It is recommended that you
+    (CVE-2023-20593) and Downfall (CVE-2022-40982). It is recommended that you
     update your OS packages and reboot into the kernel as soon as possible.
 upgrade:
   - |

releasenotes/notes/bump-ubuntu-snapshots-2023-09-15-22ca5250d40bd5b6.yaml

@@ -3,6 +3,6 @@ security:
   - |
     Bumps Ubuntu repository snapshots and container images to bring in latest
     security patches. This includes the microcode to patch Downfall
-    (CVE-2022-40982).  Zenbleed (CVE-2023-20593) was patched in the previous
+    (CVE-2022-40982). Zenbleed (CVE-2023-20593) was patched in the previous
     snapshot bump. To apply the microcode updates, it is recommended to reboot
     each host after upgrading all of the packages.