Close pr docs/41820

[Niclas Zeising]

Looking through old open PR:s in the database, I came acrossp pr 
docs/41820 ( http://www.freebsd.org/cgi/query-pr.cgi?pr=docs/41820 ) 
which can be closed. The PR brings up issues regarding the installation 
instructions in section 2.3 of the handbook. That section of the 
handbook has been rewritten since, and I can't find the issue the 
pr-originator mentions.
Regards!
//Niclas
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