Alternatives is plural

Author: bcoca

docs/docsite/rst/dev_guide/module_lifecycle.rst

@@ -32,7 +32,7 @@ To deprecate a module in ansible-core, you must:
   :removed_in: A ``string``, such as ``"2.10"``; the version of Ansible where the module will be replaced with a docs-only module stub. Usually current release +4. Mutually exclusive with :removed_by_date:.
   :remove_by_date: (Added in ansible-base 2.10). An ISO 8601 formatted date when the module will be removed. Usually 2 years from the date the module is deprecated. Mutually exclusive with :removed_in:.
   :why: Optional string that used to detail why this has been removed.
-  :alternative: Inform users they should do instead, for example, ``Use M(whatmoduletouseinstead) instead.``.
+  :alternatives: Inform users they should do instead, for example, ``Use M(whatmoduletouseinstead) instead.``.
 
 * For an example of documenting deprecation, see this `PR that deprecates multiple modules <https://github.com/ansible/ansible/pull/43781/files>`_.
   Some of the elements in the PR might now be out of date.