normatrix don't like too long header

[Vivelis]

Describe the bug
detect an error when header have more than one line of description.

To Reproduce
have a header with a two line description. or a header that is 7 line len.

Expected behavior
don't detect an error

Desktop (please complete the following information):

• OS: linux mint

Additional context
vs code

[Saverio976]

yes, normatrix check if the string is very equal to the header with 5 line
I don't know if it can be a coding style error to have an header with 2 line or more comments

[Saverio976]

Fix with latest push