Where themselves came from the extra lines in .htaccess?

During a manual backup found that at the root of the site did not appear previously existing file with some old content

and he and file .htaccess file last modified date has changed on the new

with my hands I do not exactly could do. neither at that time nor before it.

comparing the contents with the old copy, found the difference (new line highlighted in black):

I assume that cpanel could voluntarily to do something. but why and why was I not asked?
maybe someone experienced this and can clarify the situation? does it threaten the security of the site?
July 2nd 19 at 17:12
1 answer
July 2nd 19 at 17:14
Yes, it's cpanel, if there is the option AutoSSL unplug it.

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