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Issue description: 

 au0026l-2.5 + In the "Setting the Default Boot Target" description, it states the following:

"The ansible.builtin.systemd_service module cannot set the default boot target. You can use the ansible.builtin.file module to set the default boot target:"

But then the example goes on to use the ansible.builtin.systemd module (not the ansible.builtin.file module). 

I "believe ansible.builtin.file" should be replaced with "ansible.builtin.systemd" in this context.

Steps to reproduce:

Workaround:

Expected result: