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Issue description: 

"Some characters that are used in host patterns also have meaning for the shell. If you are using any special wildcards or list characters in an Ansible Playbook, then you must put your host pattern in single quotes to ensure it is parsed correctly."

Both true, but disconnected. For the playbook file, it should read 'Some characters that are used in host patterns also have meaning for YAML', instead.

This is actually true for the first character in the string, for YAML. And it is weird to use '!test' as an example at this point, as the negation has not yet been covered. 

Steps to reproduce:

Workaround:

Expected result: