cgroups: fix typo, soften language around upgrading to v2

I expect that v1 will continue to work, but that v2 is preferred (since
it is where all the development is happening in the upstream Linux
kernel)

See discussion here: docker/for-mac#6073

Signed-off-by: David Scott <[email protected]>

desktop/mac/release-notes/index.md

@@ -56,7 +56,7 @@ This only affects users if they are on Docker Desktop 4.3.0, 4.3.1 and the user
 
 - Docker Desktop displays an error if `registry.json` contains more than one organization in the `allowedOrgs` field. If you are using multiple organizations for different groups of developers, you must provision a separate `registry.json` file for each group.
 - Fixed the memory statistics for containers in the Dashboard. Fixes [docker/for-mac/#4774](https://github.com/docker/for-mac/issues/6076).
-- Added a deprecated option to `settings.json`: `"deprecatedCgroupsv1": true`, which switches the Linux environment back to cgroups v1. This option will be removed in future releases. If your software requires cgroups v1, you must update it to be compatible with cgroups v2.
+- Added a deprecated option to `settings.json`: `"deprecatedCgroupv1": true`, which switches the Linux environment back to cgroups v1. If your software requires cgroups v1, you should update it to be compatible with cgroups v2. Although cgroups v1 should continue to work, it is likely that some future features will depend on cgroups v2. It is also possible that some Linux kernel bugs will only be fixed with cgroups v2.
 - Fixed a regression in Compose that reverted the container name separator from `-` to `_`. Fixes [docker/compose-switch](https://github.com/docker/compose-switch/issues/24).
 - Fixed an issue where putting the machine to Sleep mode after pausing Docker Desktop results in Docker Desktop not being able to resume from pause after the machine comes out of Sleep mode. Fixes [for-mac#6058](https://github.com/docker/for-mac/issues/6058).