Apply suggestions from code review

Co-authored-by: Lucas Bajolet <105649352+lbajolet-hashicorp@users.noreply.github.com>

CHANGELOG.md

@@ -64,19 +64,19 @@
      [GH-12886](https://github.com/hashicorp/packer/pull/12886)
 * core: Relax Packer source address URIs within the `required_plugins` block to
      support the installation of local plugin binary using a custom or internal
-     source address (e.g. mycompay.com/plugins/happyorg/happycloud). Remote
+     source address (e.g. mycompany.com/plugins/happyorg/happycloud). Remote
      installation using `packer init` or `packer plugins install`  does not
-     support non-GitHub source URIs. Users using internal source URIs must
+     support non-GitHub source URIs. Users using alternative hosts must
      install plugins manually using `packer plugins install --path`.
-     [GH-12911](https://github.com/hashicorp/packer/pull/12911)
+     [GH-12911](https://github.com/hashicorp/packer/pull/12911), [GH-12962] (https://github.com/hashicorp/packer/pull/12962)
 * core: Remote plugins installed containing an internal version number that
      differs from the version number within the binary name can lead to
      confusion when tracking Packer plugin version information. To help track
-     such deprecates in the plugin version, `packer init` and `packer plugin
-     install` have been updated to install such plugins as dev versions (e.g.
+     such discrepancies in the plugin version, `packer init` and `packer plugin
+     install` have been updated to reject installation of such plugins.
      1.0.0-dev). Users are encouraged to notify plugin maintainers of any
      version mismatches.
-     [GH-12915](https://github.com/hashicorp/packer/pull/12915), [GH-12953](https://github.com/hashicorp/packer/pull/12953)
+     [GH-12915](https://github.com/hashicorp/packer/pull/12915), [GH-12953](https://github.com/hashicorp/packer/pull/12953), [GH-12972](https://github.com/hashicorp/packer/pull/12972)
 
 * core: Version metadata support for plugins. Plugins may now formally have metadata
      in their versions, Packer supports it, and applies the semver recommendations on