doc: fix typos in packages.md

PR-URL: #45957
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Qingyu Deng <i@ayase-lab.com>

doc/api/packages.md

@@ -1173,9 +1173,9 @@ added:
 ```
 
 The `"packageManager"` field defines which package manager is expected to be
-used when working on the current project. It can set to any of the
+used when working on the current project. It can be set to any of the
 [supported package managers][], and will ensure that your teams use the exact
-same package manager versions without having to install anything else than
+same package manager versions without having to install anything else other than
 Node.js.
 
 This field is currently experimental and needs to be opted-in; check the